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Главная › Товары › Ошибки Kyocera TASKalfa 2550ci
Ошибки Kyocera TASKalfa 2550ci
  • Code: 0030
  • Description: FAX control PWB system error
    Processing with the fax software was disabled due to a hardware problem.
  • Causes: Defective PWB.
  • Remedy: Replace the fax control PWB and check for correct operation.
  • Code: 0070
  • Description: FAX control PWB incompatible detection error
    In the initial communication with the FAX control PWB, the normal communication command is not transmitted.
  • Causes: Defective FAX software. Defective PWB.Defective PWB.
  • Remedy: Defective FAX software. Install the fax software.
    Defective PWB. Replace the fax control PWB and check for correct operation.
  • Code: 0100
  • Description: Backup memory device error
  • Causes: Defective flash memory. Defective PWB.
  • Remedy: Replace the main PWB and check for correct operation.
  • Code: 0120
  • Description: MAC address data error
    The data includes an invalid MAC address.
  • Causes: Defective flash memory. Defective PWB.
  • Remedy: Defective flash memory. Replace the main PWB and check for correct operation.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 0150
  • Description: Backup memory read/write error (engine PWB)
    Detecting engine PWB EEPROM communication error.
  • Causes: The engine PWB EEPROM was improperly installed. Defective PWB. Defective EEPROM.
  • Remedy: The engine PWB EEPROM was improperly installed. Check the EEPROM is properly installed and remedy if necessary.
    Defective PWB. Replace the engine PWB and check for correct operation.
    Defective EEPROM. Contact the Service Administrative Division.
  • Code: 0160
  • Description: Backup memory data error (engine PWB)
  • Causes: Defective flash memory. Defective PWB.
  • Remedy: Replace the engine PWB and check for correct operation.
  • Code: 0170
  • Description: Billing counting error
    A checksum error is detected in the main and engine backup memories for the billing counters.
  • Causes: Data in the EEPROM. Defective PWB.
  • Remedy: Data in the EEPROM . Contact the Service Administrative Division.
    Defective PWB. Replace the main PWB or the engine PWB and check for correct operation.
  • Code: 0180
  • Description: Machine number mismatch
    Machine number of main and engine does not match.
  • Causes: Data in the EEPROM.
  • Remedy: Contact the Service Administrative Division.
  • Code: 0320
  • Description: I/O CPU communication error
    A communication error is detected 10 times in succession
  • Causes: Defective PWB.
  • Remedy: Replace the main PWB or the engine PWB and check for correct operation.
  • Code: 0620
  • Description: FAX image DIMM error
    DIMM is not installed correctly. DIMM cannot be accessed.
  • Causes: DIMM installed incorrectly. Defective PWB.
  • Remedy: DIMM installed incorrectly. Check if the DIMM is inserted into the socket on the main PWB correctly.
    Defective PWB. Replace the main PWB and check for correct operation.
  • Code: 0630
  • Description: DMA error
    DMA transmission of image data does not complete within the specified period of time.
  • Causes: Poor contact in the connector terminals. Defective PWB.
  • Remedy: Poor contact in the connector terminals. Check the connection the signal cable for CIS and the main PWB, and the continuity across the connector terminals. Repair or replace if necessary.
    Defective PWB. Replace the main PWB and check for correct operation.
  • Code: 0640
  • Description: Hard disk error
    The hard disk cannot be accessed.
  • Causes: Defective connector cable or poor contact in the connector. Defective hard disk.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable.
    Defective hard disk. Run U024 (HDD formatting) without turning the power off to initialize the hard disk. Replace the hard disk drive and check for correct operation if the problem is still detected after initialization.
    Defective PWB. Replace the main PWB and check for correct operation.
  • Code: 0650
  • Description: FAX image DIMM check error
    Improper DIMM is installed.
  • Causes: DIMM installed incorrectly. DIMM of another machine is installed. Defective PWB.
  • Remedy: DIMM installed incorrectly. Check if the DIMM is inserted into the socket on the main PWB correctly.
    DIMM of another machine is installed. Perform maintenance mode U671 (RECOVERY FAX DIMM).
    Defective PWB. Replace the main PWB and check for correct operation.
  • Code: 0800
  • Description: Image processing error
    The JAM100 fee counter is continuously generated.
  • Causes: Defective main PWB.
  • Remedy: Replace the main PWB and check for correct operation.
  • Code: 0830
  • Description: FAX control PWB flash program area checksum error
    A checksum error occurred with the program of the FAX control PWB.
  • Causes: Defective FAX software.stalled. Defective PWB.
  • Remedy: Defective FAX software. Install the fax software.
    Defective PWB. Replace the FAX control PWB.
  • Code: 0840
  • Description: Faults of RTC
    The time is judged to go back based on the comparison of the RTC time and the current time or five years or more have passed.
  • Causes: The battery is disconnected from the main PWB. Defective PWB.
  • Remedy: The battery is disconnected from the main PWB. Check visually and remedy if necessary
    Defective PWB. Replace the main PWB and check for correct operation.
  • Code: 0870
  • Description: FAX control PWB to main PWB high capacity data transfer error
    High-capacity data transfer between the FAX control PWB and the main PWB of the machine was not normally performed even if the data transfer was retried the specified times.
  • Causes: Improper installation FAX control PWB. Defective PWB.
  • Remedy: Improper installation FAX control PWB. Reinstall the FAX control PWB.
    Defective PWB. Replace the FAX control PWB or main PWB and check for correct operation.
  • Code: 0920
  • Description: Fax file system error
    The backup data is not retained for file system abnormality of flash memory of the FAX control PWB.
  • Causes: Defective PWB.
  • Remedy: Replace the FAX control PWB and check for correct operation.
  • Code: 0980
  • Description: 24 V power down detect
    24V disconnection signal is detected for 1.5 seconds.
  • Causes: Defective power source PWB.
  • Remedy: Replace the power source PWB and check for correct operation.
  • Code: 1010
  • Description: Lift motor 1 error
    After cassette 1 is inserted, the lift sensor 1 does not turn on within 15 s. This error is detected five times successively.
  • Causes: Defective bottom plate elevation mechanism in the cassette. Defective connector cable or poor contact in the connector. Defective drive transmission system of the lift motor. Defective lift motor. Defective PWB.
  • Remedy: Defective bottom plate elevation mechanism in the cassette. Check to see if the bottom plate can move smoothly and repair any problem that is found.
    Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity of the connector cable. If necessary, replace the cable. Lift motor 1 and engine PWB (YC15)
    Defective drive transmission system of the lift motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if necessary.
    Defective lift motor. Replace the lift motor 1.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 1020
  • Description: Lift motor 2 error
    After cassette 2 is inserted, PF lift sensor 2 does not turn on within 15s. This error is detected five times successively.
  • Causes: Defective bottom plate elevation mechanism in the cassette. Defective connector cable or poor contact in the connector. Defective drive transmission system of the PF lift motor 1. Defective lift motor. Defective PWB.
  • Remedy: Defective bottom plate elevation mechanism in the cassette. Check to see if the bottom plate can move smoothly and repair any problem that is found.
    Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity of the connector cable. If necessary, replace the cable. Lift motor 2 and Video PWB (YC8)
    Defective drive transmission system of the PF lift motor 1. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if necessary.
    Defective lift motor. Replace the PF lift motor 2.
    Defective PWB. Replace the video PWB and check for correct operation.
  • Code: 1030
  • Description: PF lift motor 1 error (paper feeder)
    After cassette 3 is inserted, PF lift sensor 1 does not turn on within 15 s. This error is detected five times successively.
  • Causes: Defective bottom plate elevation mechanism in the cassette. Defective connector cable or poor contact in the connector. Defective drive transmission system of the PF lift motor 1. Defective PF lift motor 1. Defective PWB.
  • Remedy: Defective bottom plate elevation mechanism in the cassette. Check to see if the bottom plate can move smoothly and repair it if any problem is found.
    Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity of the connector cable. If necessary, replace the cable. PF lift motor 1 and PF main PWB (YC4)
    Defective drive transmission system of the PF lift motor 1. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
    Defective PF lift motor 1. Replace the PF lift motor 1.
    Defective PWB. Replace the PF main PWB (Refer to the service manual of the paper feeder).
  • Code: 1040
  • Description: PF lift motor 2 error (paper feeder)
    After cassette 4 is inserted, PF lift sensor 2 does not turn on within 15 s. This error is detected five times successively.
  • Causes: Defective bottom plate elevation mechanism in the cassette. Defective connector cable or poor contact in the connector. Defective drive transmission system of the PF lift motor 2. Defective PF lift motor 2. Defective PWB.
  • Remedy: Defective bottom plate elevation mechanism in the cassette. Check to see if the bottom plate can move smoothly and repair it if any problem is found.
    Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity of the connector cable. If necessary, replace the cable. PF lift motor 2 and PF main PWB (YC7)
    Defective drive transmission system of the PF lift motor 2. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
    Defective PF lift motor 2. Replace the PF lift motor 2.
    Defective PWB. Replace the PF main PWB (Refer to the service manual of the paper feeder).
  • Code: 1800
  • Description: Paper feeder communication error
    A communication error is detected 10 times in succession.
  • Causes: Improper installation of the paper feeder. Defective connector cable or poor contact of the connector. Defective PWB.
  • Remedy: Improper installation of the paper feeder. Follow the installation instruction carefully again.
    Defective connector cable or poor contact of the connector. Reinsert the connector. Also check for continuity of the connector cable. If necessary, replace the cable. PF main PWB (YC3) and engine PWB (YC9)
    Defective PWB. Replace the engine PWB or the PF main PWB.
  • Code: 1900
  • Description: Paper feeder EEPROM error
    When writing the data, the write data and the read data is not continuously in agreement 4 times.
  • Causes: Defective PWB. Device damage of EEPROM.
  • Remedy: Defective PWB. Replace the PF main PWB (Refer to the service manual of the paper feeder).
    Device damage of EEPROM. Contact the Service Administrative Division.
  • Code: 2101
  • Description: Developer motor K steadystate error
    The rated speed signal detected the stability OFF continuously for 1 s after the developer motor K stabilizes.
  • Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity of the connector cable. If necessary, replace the cable. Developer motor K and engine PWB (YC4)
    Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if necessary.
    Defective motor. Replace the Developer motor K.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 2102
  • Description: Developer motor YCM steady-state error
    The rated speed signal detected the stability OFF continuously for 1 s after the developer motor YCM stabilizes.
  • Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer motor YCM and engine PWB (YC3)
    Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
    Defective motor. Replace the Developer motor YCM.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 2111
  • Description: Developer motor K startup error
    Developer motor K is not stabilized within 3 s since the motor is activated.
  • Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity of the connector cable. If necessary, replace the cable. Developer motor K and engine PWB (YC4)
    Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if necessary.
    Defective motor. Replace the Developer motor K.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 2112
  • Description: Developer motor YCM startup error
    Developer motor YCM is not stabilized within 3 s since the motor is activated.
  • Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If necessary, replace the cable. Developer motor YCM and engine PWB (YC3)
    Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if necessary.
    Defective motor. Replace the Developer motor YCM.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 2201
  • Description: Drum motor K steady-state error
    The rated speed signal detected the stability OFF continuously for 1 s after the drum motor K stabilizes.
  • Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor K and engine PWB (YC3)
    Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
    Defective motor. Replace the Drum motor K.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 2202
  • Description: Drum motor YCM steadystate error
    The rated speed signal detected the stability OFFcontinuously for 1 s after the drum motor YCM stabilizes.
  • Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor YCM and engine PWB (YC3)
    Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
    Defective motor. Replace the Drum motor YCM.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 2211
  • Description: Drum motor K startup error
    Drum motor K is not stabilized within 3 s since the motor is activated.
  • Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor K and engine PWB (YC3)
    Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
    Defective motor. Replace the Drum motor K.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 2212
  • Description: Drum motor YCM startup error
    Drum motor YCM is not stabilized within 3 s since the motor is activated.
  • Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum motor YCM and engine PWB (YC3)
    Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
    Defective motor. Replace the Drum motor YCM.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 2300
  • Description: Fuser motor steady-state error
    The rated speed signal detected the stability OFF continuously for 1 s after the fuser motor stabilizes.
  • Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser motor and engine PWB (YC4)
    Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
    Defective motor. Replace the Fuser motor.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 2310
  • Description: Fuser motor startup error
    Fuser motor is not stabilized within 3 s since the motor is activated.
  • Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser motor and engine PWB (YC4)
    Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
    Defective motor. Replace the fuser motor.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 2500
  • Description: Conveying motor 2 steadystate error
    The rated speed signal detected the stability OFF continuously for 1 s after the conveying motor 2 stabilizes.
  • Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Conveying motor 2 and video PWB (YC5)
    Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
    Defective motor. Replace the Conveying motor 2.
    Defective PWB. Replace the video PWB and check for correct operation.
  • Code: 2510
  • Description: Conveying motor 2 startup error
    Conveying motor 2 is not stabilized within 2 s since the motor is activated.
  • Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Conveying motor 2 and engine PWB (YC2)
    Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
    Defective motor. Replace the conveying motor 2.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 2550
  • Description: Conveying motor 1 steadystate error
    The rated speed signal detected the stability OFF continuously for 1 s after the conveying motor 1 stabilizes.
  • Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Conveying motor 1 and engine PWB (YC2)
    Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
    Defective motor. Replace the Conveying motor 1.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 2560
  • Description: Conveying motor 1 startup error
    Conveying motor 1 is not stabilized within 2 s since the motor is activated.
  • Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Conveying motor 1 and engine PWB (YC2)
    Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
    Defective motor. Replace the conveying motor 1.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 2600
  • Description: PF drive motor error (paper feeder)
    When the PF drive motor is driven, error signal is detected continuously for 1 s.
  • Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF drive motor and PF main PWB (YC2)
    Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
    Defective motor. Replace the PF drive motor.
    Defective PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).
  • Code: 2700
  • Description: TC belt motor error
    When the TC belt motor is driven, error signal is detected continuously for 3 s.
  • Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. TC belt motor and TC PWB(YC2) TC PWB and TC connect PWB(YC1) TC connect PWB and engine PWB(YC5)
    Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
    Defective motor. Replace the TC belt motor.
    Defective PWB. Replace the engine PWB or TC PWB or TC connect PWB check for correct operation.
  • Code: 3100
  • Description: ISU home position error ON/OFF of the HP sensor doesn’t change after a prescribed pulse passes from power supply ON.
  • Causes: Defective connector cable or poor contact in the connector. Defective home position sensor. Defective ISU motor. Defective CCD PWB. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Home position sensor and ISC PWB (YC8) ISC PWB and main PWB (YC11)
    Defective home position sensor. Replace the home position sensor.
    Defective ISU motor. Replace the ISU motor.
    Defective CCD PWB. Replace the image scanner unit.
    Defective PWB. Replace the main PWB and check for correct operation.
  • Code: 3220
  • Description: Exposure lamp error
    When the white standard data at the time of an initial is lower than a rated value.
  • Causes: Defective connector cable or poor contact in the connector. Defective LED PWB. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. CCD PWB and ISC PWB (YC9) ISC PWB and main PWB (YC11)
    Defective LED PWB. Replace the LED unit and check for correct operation.
    Defective PWB. Replace the main PWB and check for correct operation.
  • Code: 3300
  • Description: Optical system (AGC) error
    After AGC, correct input is not obtained at CCD.
  • Causes: Defective connector cable or poor contact in the connector. Defective LED PWB or CCD PWB. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. LED PWB and ISC PWB (YC6) CCD PWB (YC2) and ISC PWB (YC9) ISC PWB (YC3) and main PWB (YC11)
    Defective LED PWB or CCD PWB. Replace the image scanner unit.
    Defective PWB. Replace the ISC PWB or the main PWB and check for correct operation.
  • Code: 3500
  • Description: Communication error A wrong read-back value.
  • Causes: Defective connector cable or poor contact in the connector. Defective CCD PWB. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. CCD PWB and ISC PWB (YC9) ISC PWB and main PWB (YC11)
    Defective CCD PWB. Replace the image scanner unit.
    Defective PWB. Replace the main PWB and check for correct operation.
  • Code: 3600
  • Description: Scanner sequence error
  • Causes: Defective main PWB or engine PWB.
  • Remedy: Replace the main PWB or the engine PWB and check for correct operation.
  • Code: 3700
  • Description: Scanner device error
  • Causes: CCD connector inserted incorrectly.
  • Remedy: Reinsert the image scanner unit connector if necessary.
  • Code: 3800
  • Description: AFE error
    When writing the data, read and write data does not match 3 times in succession.
  • Causes: Defective ISC PWB.
  • Remedy: Replace the ISC PWB and check for correct operation.
  • Code: 3900
  • Description: Backup memory read/write error (ISC PWB)
    Read and write data does not match.
  • Causes: Defective backup memory or PWB.
  • Remedy: Replace the ISC PWB and check for correct operation.
  • Code: 4001
  • Description: Polygon motor (K) steadystate error
    The rated speed signal detected the stability OFF continuously for 1 s after the polygon motor (K) stabilizes.
  • Causes: Defective connector cable or poor contact in the connector. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit (K) and LSU connect PWB(YC5) LSU connect PWB and engine PWB (YC12)
    Defective motor. Replace the Laser scanner unit (K).
    Defective PWB. Replace the engine PWB or LSU connect PWB and check for correct operation.
  • Code: 4002
  • Description: Polygon motor (C) steadystate error
    The rated speed signal detected the stability OFF continuously for 1 s after the polygon motor (C) stabilizes.
  • Causes: Defective connector cable or poor contact in the connector. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit (C) and LSU connect PWB(YC6) LSU connect PWB and engine PWB (YC12)
    Defective motor. Replace the Laser scanner unit (C).
    Defective PWB. Replace the engine PWB or LSU connect PWB and check for correct operation.
  • Code: 4003
  • Description: Polygon motor (M) steadystate error
    The rated speed signal detected the stability OFF continuously for 1 s after the polygon motor (M) stabilizes.
  • Causes: Defective connector cable or poor contact in the connector. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit (M) and LSU connect PWB(YC7) LSU connect PWB and engine PWB (YC12)
    Defective motor. Replace the Laser scanner unit (M).
    Defective PWB. Replace the engine PWB or LSU connect PWB and check for correct operation.
  • Code: 4004
  • Description: Polygon motor (Y) steadystate error
    The rated speed signal detected the stability OFF continuously for 1 s after the polygon motor (Y) stabilizes.
  • Causes: Defective connector cable or poor contact in the connector. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit (Y) and LSU connect PWB(YC8) LSU connect PWB and engine PWB (YC12)
    Defective motor. Replace the Laser scanner unit (Y).
    Defective PWB. Replace the engine PWB or LSU connect PWB and check for correct operation.
  • Code: 4011
  • Description: Polygon motor (K) startup error
    Polygon motor (K) is not stabilized within 10 s since the motor is activated.
  • Causes: Defective connector cable or poor contact in the connector. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit (K) and LSU connect PWB(YC5) LSU connect PWB and engine PWB (YC12)
    Defective motor. Replace the Laser scanner unit (K).
    Defective PWB. Replace the engine PWB or LSU connect PWB and check for correct operation.
  • Code: 4012
  • Description: Polygon motor (C) startup error
    Polygon motor (C) is not stabilized within 10 s since the motor is activated.
  • Causes: Defective connector cable or poor contact in the connector. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit (C) and LSU connect PWB(YC7) LSU connect PWB and engine PWB (YC12)
    Defective motor. Replace the Laser scanner unit (C).
    Defective PWB. Replace the engine PWB or LSU connect PWB and check for correct operation.
  • Code: 4013
  • Description: Polygon motor (M) startup error
    Polygon motor (M) is not stabilized within 10 s since the motor is activated.
  • Causes: Defective connector cable or poor contact in the connector. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit (M) and LSU connect PWB(YC6) LSU connect PWB and engine PWB (YC12)
    Defective motor. Replace the Laser scanner unit (M).
    Defective PWB. Replace the engine PWB or LSU connect PWB and check for correct operation.
  • Code: 4014
  • Description: Polygon motor (Y) startup error
    Polygon motor (Y) is not stabilized within 10 s since the motor is activated.
  • Causes: Defective connector cable or poor contact in the connector. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit (Y) and LSU connect PWB(YC8) LSU connect PWB and engine PWB (YC12)
    Defective motor. Replace the Laser scanner unit (Y).
    Defective PWB. Replace the engine PWB or LSU connect PWB and check for correct operation.
  • Code: 4101
  • Description: BD initialization problem (K)
    BD is not detected within two seconds after the polygon motor stabilizes.
  • Causes: Defective connector cable or poor contact in the connector. Defective APCPWB. Defective BDPWB. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. BDPWB and APCPWB APCPWB and LSU connect PWB (YC1) LSU connect PWB and engine PWB (YC12)
    Defective APCPWB. Defective BDPWB. Replace the Laser scanner unit (K).
    Defective PWB. Replace the engine PWB or LSU connect PWB and check for correct operation.
  • Code: 4102
  • Description: BD initialization problem (C)
    BD is not detected within two seconds after the polygon motor stabilizes.
  • Causes: Defective connector cable or poor contact in the connector. Defective APCPWB. Defective BDPWB. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. BDPWB and APCPWB APCPWB and LSU connect PWB (YC3) LSU connect PWB and engine PWB (YC12)
    Defective APCPWB. Defective BDPWB. Replace the Laser scanner unit (C).
    Defective PWB. Replace the engine PWB or LSU connect PWB and check for correct operation.
  • Code: 4103
  • Description: BD initialization problem (M)
    BD is not detected within two seconds after the polygon motor stabilizes.
  • Causes: Defective connector cable or poor contact in the connector. Defective APCPWB. Defective BDPWB. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. BDPWB and APCPWB APCPWB and LSU connect PWB (YC2) LSU connect PWB and engine PWB (YC12)
    Defective APCPWB. Defective BDPWB. Replace the Laser scanner unit (M).
    Defective PWB. Replace the engine PWB or LSU connect PWB and check for correct operation.
  • Code: 4104
  • Description: BD initialization problem (Y)
    BD is not detected within two seconds after the polygon motor stabilizes.
  • Causes: Defective connector cable or poor contact in the connector. Defective APCPWB. Defective BDPWB. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. BDPWB and APCPWB APCPWB and LSU connect PWB (YC4) LSU connect PWB and engine PWB (YC12)
    Defective APCPWB. Defective BDPWB. Replace the Laser scanner unit (M).
    Defective PWB. Replace the engine PWB or LSU connect PWB and check for correct operation.
  • Code: 4600
  • Description: LSU cleaning motor error
    When the LSU cleaning motor is driven, an error signal is detected continuously for 2 s.
  • Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system. Defective motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity of the connector cable. If none, replace the cable. LSU cleaning motor and LSU connect PWB(YC11) LSU connect PWB and engine PWB(YC12)
    Defective drive transmission system. Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
    Defective motor. Replace the LSU cleaning motor.
    Defective PWB. Replace the engine PWB or LSU connect PWB check for correct operation.
  • Code: 4700
  • Description: VIDEO ASIC device error
    Mismatch of reading data from two locations occurs eight times successively. Mismatch between writing data and reading data occurs eight times successively
  • Causes: Defective connector cable or poor contact in the connector. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Main PWB (YC105) and engine PWB (YC17)
    Defective PWB. Replace the main PWB or the engine PWB and check for correct operation.
  • Code: 4950
  • Description: LSU CPU communication error
    A communication error is detected 10 times in succession.
  • Causes: Defective connector cable or poor contact in the connector. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Main PWB and video PWB (YC1) video PWB and LSU connect PWB (YC10)
    Defective PWB. Replace the main PWB or video PWB and check for correct operation.
  • Code: 6000
  • Description: Broken fuser heater wire
    user thermistor 2 does not reach 80° C/176 °F even after20 s during warming up. The detected temperature of fuser thermistor2 does not reach the specified temperature (ready indication temperature) for 200 s in warming up after reached to 80° C/176 °F.
  • Causes: Defective connector cable or poor contact in the connector. Deformed connector pin. Fuser thermostat triggered. Broken fuser heater wire. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. IH coil unit and IHPWB IHPWB and engine PWB (YC7)
    Deformed connector pin. If the I/F connector pins of the fuser unit and the main unit are deformed owing to foreign matters, such as paper dusts, replace the connectors or the units including the connectors.
    Fuser thermostat triggered. Broken fuser heater wire. Reinsert the fuser unit.
    Defective PWB. Replace the IH PWB or the engine PWB and check for correct operation.
  • Code: 6020
  • Description: Abnormally high fuser thermistor 2 (center) temperature
    The fuser thermistor 2 detects a temperature higher than 240°C/464°F continuously for 1 s.
  • Causes: Deformed connector pin. Shorted fuser thermistor. Defective PWB.
  • Remedy: Deformed connector pin. If the I/F connector pins of the fuser unit and the main unit are deformed owing to foreign matters, such as paper dusts, replace the connectors or the units including the connectors.
    Shorted fuser thermistor. Replace the fuser unit.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 6030
  • Description: Fuser thermistor 2 (center) break error
    A/D value of the fuser thermistor 2 exceeds 1010 bit continuously for 1 s during warming up.
  • Causes: Defective connector cable or poor contact in the connector. Deformed connector pin. Defective fuser thermistor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser thermister2 and fuser PWB (YC2) Fuser unit and engine PWB (YC22)
    Deformed connector pin. If the I/F connector pins of the fuser unit and the main unit are deformed owing to foreign matters, such as paper dusts, replace the connectors or the units including the connectors.
    Defective fuser thermistor. Replace the fuser unit.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 6040
  • Description: NC sensor error
  • Causes: Deformed connector pin. Shorted fuser thermistor. Defective PWB.
  • Remedy: Deformed connector pin. If the I/F connector pins of the fuser unit and the main unit are deformed owing to foreign matters, such as paper dusts, replace the connectors or the units including the connectors.
    Shorted fuser thermistor. Replace the fuser unit.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 6050
  • Description: Abnormally low fuser thermistor 2 (center) temperature
    The fuser temperature lower than 100 °C/212 °F is detected continuously for 1 s during printing.
  • Causes: Deformed connector pin. Defective fuser thermistor. Defective fuser heater. Defective PWB.
  • Remedy: Deformed connector pin. If the I/F connector pins of the fuser unit and the main unit are deformed owing to foreign matters, such as paper dusts, replace the connectors or the units including the connectors.
    Defective fuser thermistor. Defective fuser heater. Replace the fuser unit.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 6120
  • Description: Abnormally high fuser thermistor 3 (press roller) temperature
    The fuser temperature exceeds 200 °C/392 °F for 1 s.
  • Causes: Deformed connector pin. Defective fuser thermistor. Defective PWB.
  • Remedy: Deformed connector pin. If the I/F connector pins of the fuser unit and the main unit are deformed owing to foreign matters, such as paper dusts, replace the connectors or the units including the connectors.
    Defective fuser thermistor. Replace the fuser unit.
    Defective PWB. Replace the IH PWB or the engine PWB and check for correct operation.
  • Code: 6130
  • Description: Fuser thermistor 3 (press roller) break error
    Fuser thermistor 3 detects a temperature of -14 °C/6.8 °F . Fuser thermistor 3 does not reach 30° C/86 °F even after60 s during warming up.
  • Causes: Defective connector cable or poor contact in the connector. Deformed connector pin. Defective fuser thermistor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser thermistor 3 and fuser PWB (YC4) Fuser unit and engine PWB (YC22)
    Deformed connector pin. If the I/F connector pins of the fuser unit and the main unit are deformed owing to foreign matters, such as paper dusts, replace the connectors or the units including the connectors.
    Defective fuser thermistor. Replace the fuser unit.
    Defective PWB. Replace the IH PWB or the engine PWB and check for correct operation.
  • Code: 6150
  • Description: Abnormally low fuser thermistor 3 (press roller) temperature
    The fuser temperature lower than 30 °C/86 °F is detected continuously for 1 s.
  • Causes: Deformed connector pin. Defective fuser thermistor. Defective fuser heater. Defective PWB.
  • Remedy: Deformed connector pin. If the I/F connector pins of the fuser unit and the main unit are deformed owing to foreign matters, such as paper dusts, replace the connectors or the units including the connectors.
    Defective fuser thermistor. Defective fuser heater. Replace the fuser unit.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 6200
  • Description: Broken fuser edge heater wire
    Fuser thermistor 1 does not reach 50° C/122 °F even after20 s during warming up. The detected temperature of fuser thermistor1 does not reach the specified temperature (ready indication temperature) for 60 s in warming up after reaching 50° C/122 °F.
  • Causes: Defective connector cable or poor contact in the connector. Deformed connector pin. Fuser thermostat triggered. Broken fuser heater wire. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. IH coil unit and IHPWB IHPWB and engine PWB (YC7)
    Deformed connector pin. If the I/F connector pins of the fuser unit and the main unit are deformed owing to foreign matters, such as paper dusts, replace the connectors or the units including the connectors.
    Fuser thermostat triggered. Broken fuser heater wire. Reinsert the fuser unit.
    Defective PWB. Replace the IH PWB or the engine PWB and check for correct operation.
  • Code: 6220
  • Description: Abnormally high fuser thermistor 1 (edge) temperature
    The fuser temperature exceeds 240 °C/464 °F for 1 s.
  • Causes: Deformed connector pin. Defective cooling fan motor. Defective fuser thermistor. Defective PWB.
  • Remedy: Deformed connector pin. If the I/F connector pins of the fuser unit and the main unit are deformed owing to foreign matters, such as paper dusts, replace the connectors or the units including the connectors.
    Defective cooling fan motor. Replace the fuser fan motor.
    Defective fuser thermistor. Replace the fuser unit.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 6230
  • Description: Fuser thermistor 1 (edge) break error
    During warming up a hearter, fuser thermistor 2 detects a temperature of 100 °C/212 °F or higher and, fuser thermistor 1 detects a temperature of 37 °C/99 °F or lower.
  • Causes: Defective connector cable or poor contact in the connector. Deformed connector pin. Defective fuser thermistor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser thermistor 1 and fuser PWB (YC3) Fuser unit and engine PWB (YC22)
    Deformed connector pin. If the I/F connector pins of the fuser unit and the main unit are deformed owing to foreign matters, such as paper dusts, replace the connectors or the units including the connectors.
    Defective fuser thermistor. Replace the fuser unit.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 6250
  • Description: Abnormally low fuser thermistor 1 (edge) temperature
    The fuser temperature lower than 80 °C/176 °F is detected continuously for 1 s during printing.
  • Causes: Deformed connector pin. Defective fuser thermistor. Defective fuser heater. Defective PWB.
  • Remedy: Deformed connector pin. If the I/F connector pins of the fuser unit and the main unit are deformed owing to foreign matters, such as paper dusts, replace the connectors or the units including the connectors.
    Defective fuser thermistor. Defective fuser heater. Replace the fuser unit.
    Defective PWB. Replace the IH PWB or the engine PWB and check for correct operation.
  • Code: 6410
  • Description: Fuser unit type mismatch problem
    Absence of the fuser unit is detected.
  • Causes: Fuser unit connector inserted incorrectly. Different type of the fuser unit is installed.
  • Remedy: Fuser unit connector inserted incorrectly. Reinsert the fuser unit connector if necessary.
    Different type of the fuser unit is installed. Install the correct fuser unit.
  • Code: 6600
  • Description: Belt rotation error
    The belt was detected to stop for 2 s continuously during motor remote is on.
  • Causes: Defective fuser motor. Defective IH belt. Defective IH PWB. Defective PWB.
  • Remedy: Defective fuser motor. Replace the fuser motor.
    Defective IH belt. Replace the fuser unit.
    Defective IH PWB. Replace the IH PWB and check for correct operation.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 6710
  • Description: CPU thermal runaway (IHPWB)
  • Causes: Defective PWB.
  • Remedy: Defective PWB. Replace the IH PWB and check for correct operation.
  • Code: 6720
  • Description: Belt rotation error (IHPWB)
  • Causes: Defective PWB. Defective fuser motor. Defective fuser unit.
  • Remedy: Defective PWB. Replace the IH PWB and check for correct operation.
    Defective fuser motor. Replace the fuser motor.
    Defective fuser unit. Replace the fuser unit.
  • Code: 6730
  • Description: Abnormally high IGBT1 temperature (IHPWB)
  • Causes: Defective PWB. Defective cooling fan motor.
  • Remedy: Defective PWB. Replace the IH PWB and check for correct operation.
    Defective cooling fan motor. Replace the IH fan motor.
  • Code: 6740
  • Description: Abnormally high IGBT2 temperature (IHPWB)
  • Causes: Defective PWB. Defective cooling fan motor.
  • Remedy: Defective PWB. Replace the IH PWB and check for correct operation.
    Defective cooling fan motor. Replace the IH fan motor.
  • Code: 6750
  • Description: Abnormally output overcurrent (IHPWB)
  • Causes: Defective PWB. Defective fuser unit.
  • Remedy: Defective PWB. Replace the IH PWB and check for correct operation.
    Defective fuser unit. Replace the fuser unit.
  • Code: 6760
  • Description: Abnormally AC input overcurrent (IHPWB)
  • Causes: Defective PWB.
  • Remedy: Replace the IH PWB and check for correct operation.
  • Code: 6770
  • Description: Abnormally low electric power (IHPWB)
  • Causes: Defective connector cable or poor contact in the connector. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable.
    Defective PWB. Replace the IH PWB and check for correct operation.
  • Code: 6930
  • Description: IH coil fan motor error
    The alarm signal was detected for 5 seconds continuously during operation.
  • Causes: Defective connector cable or poor contact in the connector. Defective cooling fan motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. IH coil fan motor and engine PWB(YC21)
    Defective cooling fan motor. Replace the container fan motor.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 6950
  • Description: IH CPU communication error
    A communication error is detected 3 times in succession.
  • Causes: Defective connector cable or poor contact in the connector. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable.
    Defective PWB. Replace the IH PWB or the engine PWB and check for correct operation.
  • Code: 6990
  • Description: Fuser unit type mismatch problem
    Absence of the fuser unit is detected.
  • Causes: Defective PWB.
  • Remedy: Replace the IH PWB and check for correct operation.
  • Code: 7101
  • Description: Toner sensor K error
    The sensor outputs are for 5 seconds, 23 or less, or 248 or more.
  • Causes: Defective Developer unit. Defective PWB.
  • Remedy: Defective Developer unit. Replace the developer unit K.
    Defective PWB. Replace the engine PWB check for correct operation.
  • Code: 7102
  • Description: Toner sensor C error
    The sensor outputs are for 5 seconds, 23 or less, or 248 or more.
  • Causes: Defective Developer unit. Defective PWB.
  • Remedy: Defective Developer unit. Replace the developer unit C.
    Defective PWB. Replace the engine PWB check for correct operation.
  • Code: 7103
  • Description: Toner sensor M error
    The sensor outputs are for 5 seconds, 23 or less, or 248 or more.
  • Causes: Defective Developer unit. Defective PWB.
  • Remedy: Defective Developer unit. Replace the developer unit M
    Defective PWB. Replace the engine PWB check for correct operation.
  • Code: 7104
  • Description: Toner sensor Y error
    The sensor outputs are for 5 seconds, 23 or less, or 248 or more.
  • Causes: Defective Developer unit. Defective PWB.
  • Remedy: Defective Developer unit. Replace the developer unit Y.
    Defective PWB. Replace the engine PWB check for correct operation.
  • Code: 7401
  • Description: Developer unit K type mismatch error
    Absence of the developer unit K is detected.
  • Causes: Defective connector cable or poor contact in the connector. Different type of the developer unit is installed.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit K and drum connect PWB (YC9) Drum connect PWB and engine PWB (YC4)
    Different type of the developer unit is installed. Install the correct developer unit.
  • Code: 7402
  • Description: Developer unit C type mismatch error
    Absence of the developer unit C is detected.
  • Causes: Defective connector cable or poor contact in the connector. Different type of the developer unit is installed.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit C and drum connect PWB (YC7) Drum connect PWB and engine PWB (YC4)
    Different type of the developer unit is installed. Install the correct developer unit.
  • Code: 7403
  • Description: Developer unit M type mismatch error
    Absence of the developer unit M is detected.
  • Causes: Defective connector cable or poor contact in the connector. Different type of the developer unit is installed.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit M and drum connect PWB (YC8) Drum connect PWB and engine PWB (YC4)
    Different type of the developer unit is installed. Install the correct developer unit.
  • Code: 7404
  • Description: Developer unit Y type mismatch error
    Absence of the developer unit Y is detected.
  • Causes: Defective connector cable or poor contact in the connector. Different type of the developer unit is installed.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit Y and drum connect PWB (YC6) Drum connect PWB and engine PWB (YC4)
    Different type of the developer unit is installed. Install the correct developer unit.
  • Code: 7411
  • Description: Drum unit K type mismatch problem
    Absence of the drum unit K is detected.
  • Causes: Drum unit connector inserted incorrectly. Different type of the drum unit is installed.
  • Remedy: Drum unit connector inserted incorrectly. Reinsert the drum unit K connector if necessary.
    Different type of the drum unit is installed. Install the correct drum unit.
  • Code: 7412
  • Description: Drum unit C type mismatch problem
    Absence of the drum unit C is detected.
  • Causes: Drum unit connector inserted incorrectly.s installed. Different type of the drum unit is installed.
  • Remedy: Drum unit connector inserted incorrectly. Reinsert the drum unit C connector if necessary.
    Different type of the drum unit is installed. Install the correct drum unit.
  • Code: 7413
  • Description: Drum unit M type mismatch problem
    Absence of the drum unit M is detected.
  • Causes: Drum unit connector inserted incorrectly.s installed. Different type of the drum unit is installed.
  • Remedy: Drum unit connector inserted incorrectly. Reinsert the drum unit M connector if necessary.
    Different type of the drum unit is installed. Install the correct drum unit.
  • Code: 7414
  • Description: Drum unit Y type mismatch problem
    Absence of the drum unit Y is detected.
  • Causes: Drum unit connector inserted incorrectly. Different type of the drum unit is installed.
  • Remedy: Drum unit connector inserted incorrectly. Reinsert the drum unit Y connector if necessary.
    Different type of the drum unit is installed. Install the correct drum unit.
  • Code: 7420
  • Description: Transfer belt unit type mismatch problem
    bsence of the transfer belt unit is detected.
  • Causes: Transfer belt unit connector inserted incorrectly. Different type of the transfer belt unit is installed.
  • Remedy: Transfer belt unit connector inserted incorrectly. Reinsert the transfer belt unit connector if necessary.
    Different type of the transfer belt unit is installed. Install the correct transfer belt unit.
  • Code: 7601
  • Description: ID sensor 1 (front) error
  • Causes: Defective ID sensor. Defective PWB.
  • Remedy: Defective ID sensor. Replace the ID sensor 1.
    Defective PWB. Replace the engine PWB check for correct operation.
  • Code: 7602
  • Description: ID sensor 2 (rear) error
  • Causes: Defective ID sensor. Defective PWB.
  • Remedy: Defective ID sensor. Replace the ID sensor 2.
    Defective PWB. Replace the engine PWB check for correct operation.
  • Code: 7611
  • Description: ID sensor (K) density error
    When the concentration in a bias calibration is unusual.
  • Causes: Defective ID sensor. Defective PWB.
  • Remedy: Defective ID sensor. Replace the ID sensor.
    Defective PWB. Replace the engine PWB check for correct operation.
  • Code: 7612
  • Description: ID sensor (C) density error
    When the concentration in a bias calibration is unusual.
  • Causes: Defective ID sensor. Defective PWB.
  • Remedy: Defective ID sensor. Replace the ID sensor.
    Defective PWB. Replace the engine PWB check for correct operation.
  • Code: 7613
  • Description: ID sensor (M) density error
    When the concentration in a bias calibration is unusual.
  • Causes: Defective ID sensor. Defective PWB.
  • Remedy: Defective ID sensor. Replace the ID sensor.
    Defective PWB. Replace the engine PWB check for correct operation.
  • Code: 7614
  • Description: ID sensor (Y) density error
    When the concentration in a bias calibration is unusual.
  • Causes: Defective ID sensor. Defective PWB.
  • Remedy: Defective ID sensor. Replace the ID sensor.
    Defective PWB. Replace the engine PWB check for correct operation.
  • Code: 7620
  • Description: ID sensor timing error
    Color registration correction was failed.
  • Causes: Defective ID sensor. Defective PWB.
  • Remedy: Defective ID sensor. Replace the ID sensor.
    Defective PWB. Replace the engine PWB check for correct operation.
  • Code: 7800
  • Description: Broken external thermistor wire
    The external thermistor delivers 0.3V or more.
  • Causes: Defective connector cable or poor contact in the connector. Defective temperature sensor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Temperature sensor and engine PWB (YC29)
    Defective temperature sensor. Replace the temperature sensor.
    Defective PWB. Replace the engine PWB check for correct operation.
  • Code: 7810
  • Description: Short-circuited external thermistor wire
    external thermistor delivers 3V or more.
  • Causes: Defective connector cable or poor contact in the connector. Defective temperature sensor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Temperature sensor and engine PWB (YC29)
    Defective temperature sensor. Replace the temperature sensor.
    Defective PWB. Replace the engine PWB check for correct operation.
  • Code: 7901
  • Description: Drum unit K EEPROM error
    No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs eight times successively. Mismatch between writing data and reading data occurs eight times successively.
  • Causes: Poor contact in the connector terminals. Defective drum PWB. Defective PWB.
  • Remedy: Poor contact in the connector terminals. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum unit (K) and drum connect PWB(YC5) drum connect PWB and engine connect PWB (YC4) Engine connect PWB and engine PWB (YC9)
    Defective drum PWB. Replace the drum unit K.
    Defective PWB. Replace the engine PWB check for correct operation.
  • Code: 7902
  • Description: Drum unit C EEPROM error
    No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs eight times successively. Mismatch between writing data and reading data occurs eight times successively.
  • Causes: Poor contact in the connector terminals. Defective drum PWB. Defective PWB.
  • Remedy: Poor contact in the connector terminals. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum unit (C) and drum connect PWB(YC3) drum connect PWB and engine connect PWB (YC4) Engine connect PWB and engine PWB (YC9)
    Defective drum PWB. Replace the drum unit C.
    Defective PWB. Replace the engine PWB check for correct operation.
  • Code: 7903
  • Description: Drum unit M EEPROM error
    No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs eight times successively. Mismatch between writing data and reading data occurs eight times successively.
  • Causes: Poor contact in the connector terminals. Defective drum PWB. Defective PWB.
  • Remedy: Poor contact in the connector terminals. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum unit (M) and drum connect PWB(YC4) drum connect PWB and engine connect PWB (YC4) Engine connect PWB and engine PWB (YC9)
    Defective drum PWB. Replace the drum unit M.
    Defective PWB. Replace the engine PWB check for correct operation.
  • Code: 7904
  • Description: Drum unit Y EEPROM error
    No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs eight times successively. Mismatch between writing data and reading data occurs eight times successively.
  • Causes: Poor contact in the connector terminals. Defective drum PWB. Defective PWB.
  • Remedy: Poor contact in the connector terminals. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Drum unit (Y) and drum connect PWB(YC2) drum connect PWB and engine connect PWB (YC4) Engine connect PWB and engine PWB (YC9)
    Defective drum PWB. Replace the drum unit Y.
    Defective PWB. Replace the engine PWB check for correct operation.
  • Code: 7911
  • Description: Developer unit K EEPROM error
    No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs eight times successively. Mismatch between writing data and reading data occurs eight times successively.
  • Causes: Poor contact in the connector terminals. Defective developer PWB. Defective PWB.
  • Remedy: Poor contact in the connector terminals. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit (K) and drum connect PWB(YC9) drum connect PWB and engine connect PWB (YC4) Engine connect PWB and engine PWB (YC12)
    Defective developer PWB. Replace the developer unit K.
    Defective PWB. Replace the engine PWB check for correct operation.
  • Code: 7912
  • Description: Developer unit C EEPROM error
    No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs eight times successively. Mismatch between writing data and reading data occurs eight times successively.
  • Causes: Poor contact in the connector terminals. Defective developer PWB. Defective PWB.
  • Remedy: Poor contact in the connector terminals. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit (C) and drum connect PWB(YC7) drum connect PWB and engine connect PWB (YC4) Engine connect PWB and engine PWB (YC12)
    Defective developer PWB. Replace the developer unit C.
    Defective PWB. Replace the engine PWB check for correct operation.
  • Code: 7913
  • Description: Developer unit M EEPROM error
    No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs eight times successively. Mismatch between writing data and reading data occurs eight times successively.
  • Causes: Poor contact in the connector terminals. Defective developer PWB. Defective PWB.
  • Remedy: Poor contact in the connector terminals. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit (M) and drum connect PWB(YC8) drum connect PWB and engine connect PWB (YC4) Engine connect PWB and engine PWB (YC12)
    Defective developer PWB. Replace the developer unit M.
    Defective PWB. Replace the engine PWB check for correct operation.
  • Code: 7914
  • Description: Developer unit Y EEPROM error
    No response is issued from the device in reading/writing for 5 ms or more and this problem is repeated five times successively. Mismatch of reading data from two locations occurs eight times successively. Mismatch between writing data and reading data occurs eight times successively.
  • Causes: Poor contact in the connector terminals. Defective developer PWB. Defective PWB.
  • Remedy: Poor contact in the connector terminals. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developer unit (Y) and drum connect PWB(YC6) drum connect PWB and engine connect PWB (YC4) Engine connect PWB and engine PWB (YC12)
    Defective developer PWB. Replace the developer unit Y.
    Defective PWB. Replace the engine PWB check for correct operation.
  • Code: 8030
  • Description: Tray upper limit detection problem (document finisher)
    When the tray elevation motor raises a tray, the ON status of the tray upper limit sensor is detected.
  • Causes: Defective connector cable or poor contact in the connector. Defective tray upper limit sensor, paper surface sensor 1/2. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Tray upper limit sensor and DF main PWB (CN5) Paper surface sensor 1/2 and DF main PWB (CN6)
    Defective tray upper limit sensor, paper surface sensor 1/2. Replace the sensor.
    Defective PWB. Replace the DF main PWB and check for correct operation.
  • Code: 8040
  • Description: Belt problem (document finisher)
    The belt sensor does not turn on/off within specified time of the belt solenoid turning on.
  • Causes: Defective connector cable or poor contact in the connector. Defective belt sensor. Defective belt solenoid. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Belt sensor and DF main PWB (CN10) Belt solenoid and DF main PWB (CN21)
    Defective belt sensor. Replace the belt sensor.
    Defective belt solenoid. Replace the belt solenoid.
    Defective PWB. Replace the DF main PWB and check for correct operation.
  • Code: 8140
  • Description: Tray elevation motor problem (document finisher)
    The tray low limit sensor or paper surface sensor 1/2 cannot be detected to be on within 10 s since the tray elevation motor is activated.
  • Causes: Defective connector cable or poor contact in the connector. Defective connector cable or poor contact in the connector. The tray elevation motor malfunctions. Defective tray lower limit sensor, paper surface sensor 1/2. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Tray elevation motor and DF main PWB (CN15)
    Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Tray lower limit sensor, and DF main PWB (CN5) Paper surface sensor 1/2 and DF main PWB (CN6)
    The tray elevation motor malfunctions. Replace the tray elevation motor.
    Defective tray lower limit sensor, paper surface sensor 1/2. Replace the sensor.
    Defective PWB. Replace the DF main PWB and check for correct operation.
  • Code: 8210
  • Description: Stapler problem (document finisher)
    Jam 7013 or 7023 is indicated.
  • Causes: Defective connector cable of staple or poor contact in the connector. The stapler is blocked with a staple. The stapler is broken. Defective PWB.
  • Remedy: Defective connector cable of staple or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable.
    The stapler is blocked with a staple. Remove the stapler cartridge, and check the cartridge and the stapling section of the stapler.
    The stapler is broken. Replace the stapler and check for correct operation.
    Defective PWB. Replace the DF main PWB and check for correct operation.
  • Code: 8320
  • Description: Adjustment motor 2 problem (document finisher)
    The adjustment sensor 2 does not turn on/off within specified time of the adjustment motor 2 turning on.
  • Causes: Defective connector cable or poor contact in the connector. Defective adjustment sensor 2. Defective adjustment motor 2. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Adjustment motor 2 and DF main PWB (CN18) Adjustment sensor 2 and DF main PWB (CN7)
    Defective adjustment sensor 2. Replace the adjustment sensor 2.
    Defective adjustment motor 2. Replace the adjustment motor 2.
    Defective PWB. Replace the DF main PWB and check for correct operation.
  • Code: 8330
  • Description: Adjustment motor 1 problem (document finisher)
    The adjustment sensor 1 does not turn on/off within specified time of the adjustment motor 1 turning on.
  • Causes: Defective connector cable or poor contact in the connector. Defective adjustment sensor 1. Defective adjustment motor 1. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Adjustment motor 1 and DF main PWB (CN18) Adjustment sensor 1 and DF main PWB (CN7)
    Defective adjustment sensor 1. Replace the adjustment sensor 1.
    Defective adjustment motor 1. Replace the adjustment motor 1.
    Defective PWB. Replace the DF main PWB and check for correct operation.
  • Code: 8350
  • Description: Roller motor problem (document finisher)
    The roller sensor does not turn on/off within specified time of the roller motor turning on.
  • Causes: Defective connector cable or poor contact in the connector. Defective roller sensor. Defective roller motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Roller motor and DF main PWB (CN20) Roller sensor and DF main PWB (CN11)
    Defective roller sensor. Replace the roller sensor.
    Defective roller motor. Replace the roller motor.
    Defective PWB. Replace the DF main PWB and check for correct operation.
  • Code: 8360
  • Description: Slide motor problem (document finisher)
    The slide sensor does not turn on/off within specified time of the slide motor turning on.q
  • Causes: Defective connector cable or poor contact in the connector. Defective slide sensor. Defective slide motor. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Slide motor and DF main PWB (CN14) Slide sensor and DF main PWB (CN22)
    Defective slide sensor. Replace the slide sensor.
    Defective slide motor. Replace the slide motor.
    Defective PWB. Replace the DF main PWB and check for correct operation.
  • Code: 8460
  • Description: EEPROM problem (document finisher)
    Reading from or writing to EEPROM cannot be performed.
  • Causes: Defective EEPROM or DF main PWB.
  • Remedy: Replace the DF main PWB and check for correct operation.
  • Code: 8800
  • Description: Document finisher communication error
    A communication error is detected 10 times in succession.
  • Causes: Defective connector cable or poor contact in the connector. Defective DF main PWB. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Engine PWB (YC9) and Engine connect PWB (YC1) Engine connect PWB (YC7) and DF relay PWB (YC2) DF relay PWB (YC3) and DF main PWB (CN1)
    Defective DF main PWB. Replace the DF main PWB and check for correct operation.
    Defective PWB. Replace the engine PWB and check for correct operation.
  • Code: 8830
  • Description: Bridge communication error (document finisher)
    A communication error is detected 10 times in succession.
  • Causes: Defective connector cable or poor contact in the connector. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Engine PWB (YC9) and Engine connect PWB (YC1) Engine connect PWB (YC7) and DF relay PWB (YC2) DF relay PWB (YC4) and bridge PWB (YC5)
    Defective PWB. Replace the bridge PWB or the engine PWB and check for correct operation.
  • Code: 8990
  • Description: Backup memory data problem (document finisher)
    Read and write data does not match 3 times in succession.
  • Causes: Defective connector cable or poor contact in the connector. EEPROM installed incorrectly. Defective finisher main PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Check the connection of connector on the finisher main PWB and the connector of the machine, and the continuity across the connector terminals. Repair or replace if necessary.
    EEPROM installed incorrectly. Install EEPROM correctly.
    Defective finisher main PWB. Replace the finisher main PWB and check for correct operation.
  • Code: 9000
  • Description: Document processor communication error
    A communication error is detected 10 times in succession
  • Causes: Defective connector cable or poor contact in the connector. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. DP main PWB and ISC PWB (YC12)
    Defective PWB. Replace the DP main PWB or the ISC PWB and check for correct operation.
  • Code: 9010
  • Description: Coin vender communication error
    A communication error from coin vender is detected 10 times in succession
  • Causes: Defective connector cable or poor contact in the connector. Data setup failure. Defective coin vender control PWB. Defective PWB.
  • Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable.
    Data setup failure. Set maintenance mode U206 to off when a coin vender is not installed.
    Defective coin vender control PWB. Replace the coin vender control PWB.
    Defective PWB. Replace the video PWB and check for correct operation.
  • Code: 9060
  • Description: DP EEPROM error
    Mismatch between writing data and reading data occurs three times successively. Mismatch of reading data from two locations occurs three times successively.
  • Causes: Defective PWB. Device damage of EEPROM.
  • Remedy: Defective PWB. Replace the DP main PWB and check for correct operation.
    Device damage of EEPROM. Contact the Service Administrative Division.
  • Code: 9100
  • Description: Coin vender control PWB error
    Communication error has been detected at the coin mec of the coin vender control PWB.
  • Causes: Defective coin vender control PWB.
  • Remedy: Replace the coin mec.
  • Code: 9110
  • Description: Coin vender error
    Communication error has been detected in connection with the coin mec and the rejector.
  • Causes: Rejector installed incorrectly. Defective rejector.
  • Remedy: Rejector installed incorrectly. Check the rejector is properly installed and, if not, perform the corrective action.
    Defective rejector. Replace the rejector.
  • Code: 9120
  • Description: Sensor error in coin vender change (Yen 10)
    Change is empty despite change is enough.
  • Causes: Coin jam in the change tube. Poor contact in the connector. Defective change empty sensor. Defective coin vender control PWB.
  • Remedy: Coin jam in the change tube Check visually and remedy.
    Poor contact in the connector. Check if the change empty sensor is intact.
    Defective change empty sensor. Defective coin vender control PWB. Replace the coin mec.
  • Code: 9130
  • Description: Sensor error in coin vender change (Yen 50)
    Change is empty despite change is enough.
  • Causes: Coin jam in the change tube. Poor contact in the connector. Defective change empty sensor. Defective coin vender control PWB.
  • Remedy: Coin jam in the change tube Check visually and remedy.
    Poor contact in the connector. Check if the change empty sensor is intact.
    Defective change empty sensor. Defective coin vender control PWB. Replace the coin mec.
  • Code: 9140
  • Description: Sensor error in coin vender change (Yen 100)
    Change is empty despite change is enough.
  • Causes: Coin jam in the change tube. Poor contact in the connector. Defective change empty sensor. Defective coin vender control PWB.
  • Remedy: Coin jam in the change tube Check visually and remedy.
    Poor contact in the connector. Check if the change empty sensor is intact.
    Defective change empty sensor. Defective coin vender control PWB. Replace the coin mec.
  • Code: 9150
  • Description: Sensor error in coin vender change (Yen 500)
    Change is empty despite change is enough.
  • Causes: Coin jam in the change tube. Poor contact in the connector. Defective change empty sensor. Defective coin vender control PWB.
  • Remedy: Coin jam in the change tube Check visually and remedy.
    Poor contact in the connector. Check if the change empty sensor is intact.
    Defective change empty sensor. Defective coin vender control PWB. Replace the coin mec.
  • Code: 9160
  • Description: Coin vender pay-out error
    Coin is paid out despite the pay-out motor is determined not active.
  • Causes: Defective pay-out motor.
  • Remedy: Replace the coin mec.
  • Code: 9170
  • Description: Coin vender pay-out sensor error
    Coin is paid out despite the pay-out motor is determined not active.
  • Causes: Change jam at the pay-out. Defective pay-out motor. Defective pay-out sensor.
  • Remedy: Change jam at the pay-out. Check visually and remedy.
    Defective pay-out motor. Defective pay-out sensor. Replace the coin mec.
  • Code: 9500 … 9550
  • Description: Contact the Service Administrative Division.
  • Causes:
  • Remedy: Contact the Service Administrative Division.
  • Code: F000
  • Description: Main PWB — operation panel PWB communication error
  • Causes: Defective main PWB. Defective operation panel PWB.
  • Remedy: Defective main PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace main PWB.
    Defective operation panel PWB. Replace the operation panel PWB and check for correct operation.
  • Code: F010 … F013
  • Description: Main PWB checksum error
  • Causes: Defective main PWB.
  • Remedy: Turn the main power switch off/on to restart the machine. If the error is not resolved, replace main PWB.
  • Code: F040
  • Description: Main PWB — print engine communication error
  • Causes: Defective main PWB. Defective engine PWB.
  • Remedy: Defective main PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace main PWB.
    Defective engine PWB. Replace the engine PWB and check for correct operation.
  • Code: F041
  • Description: Communication error between main PWB and scanner engine.
  • Causes: Defective main PWB. Defective ISC PWB.
  • Remedy: Defective main PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace main PWB.
    Defective ISC PWB. Replace the ISC PWB and check for correct operation.
  • Code: F050
  • Description: Print engine ROM checksum error.
  • Causes: Defective engine PWB.
  • Remedy: Turn the main power switch off/on to restart the machine. If the error is not resolved, replace engine PWB.
  • Code: F051
  • Description: Scanner engine ROM checksum error
  • Causes: Defective Scanner software. Defective ISC PWB.rror
  • Remedy: Defective Scanner software. Install the Scanner software.
    Defective ISC PWB. Turn the main power switch off/on to restart the machine. If the error is not resolved, replace ISC PWB.
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