• Code: 134
• Display: Service Call 134:Error
• Description: LED head detection error (01=K, 02=C, 03=M, 04=Y, 05=W/CL)
• Remedy: Is the fuse blown? 134-05: Spot color PCB 134-01 to 04: Printer control PCB Yes Replace the PCB. Correct the FFC connection condition between the LED head and the PCB. No Correct the FFC connection condition. Does this error recur? Yes Replace the LED head unit. Does this error recur? Yes Replace either applicable PCB. 134-01 to 04: Printer control PCB 134-05: Spot color PCB

• Code: 135
• Display: Service Call 135:Error
• Description: 01: Tray1 Lift-up Motor Error 02: Tray2 Lift-up Motor Error 03: Tray3 Lift-up Motor Error 04: Tray4 Lift-up Motor Error 05: Tray5 Lift-up Motor Error
  07: Belt Motor Lock Error
  09:Fuser Motor Lock Error
  11:Station1 ID Motor Lock Error 12:Station2 ID Motor Lock Error 13:Station3 ID Motor Lock Error 14:Station4 ID Motor Lock Error 15:Station5 ID Motor Lock Error
• Remedy: Remove the paper cassette. Does the motor run in motor testing? Yes Replace the paper cassette. No Do the following check on motors and PCBs. Is the fuse on the PCB blown? Yes Replace the PCB. Is the motor resistant value abnormal, or is the motor wire disconnected or shorted? Yes Replace the motor. No Replace the PCB. 01: Printer control PCB 02 to 05: Option tray PCB
  Remove the belt unit. Does the motor run in motor testing? Yes Replace the belt. No Do the following check on motors and PCBs. Is there any abnormality with the mechanism, such as a blown motor fuse, a disconnected or shorted motor wire, and a broken gear? Yes Replace the motor, cable, and belt motor driving mechanism. No Replace the printer control PCB.
  Remove the fuser. Does the motor run in motor testing? Yes Replace the fuser. No Do the following check on motors and PCBs. Is there any abnormality with the mechanism, such as a blown motor fuse, a disconnected or shorted motor wire, and a broken gear? Yes Replace the motor, cable, fuser motor driving mechanism. No Replace the printer control PCB.
  Remove the ID unit. Does the motor run in motor testing? Yes Replace the ID unit. No Do the following check on motors and PCBs. Is the motor fuse blown? Yes Replace the motor. Is the motor wire broken or shorted? Yes Replace the cable. No Replace the driver relay PCB. Does the error recur? Yes Replace the ID motor driving mechanism.

• Code: 143
• Display: Service Call 143:Error
• Description: Image drum Up/ Down position detection error (01=K, 02=C, 03=M, 04=Y, 05=W/CL)
• Remedy: Reinstall the ID unit and the belt unit and then power off/on. Does the error recur? Yes Inspect the following. Detach the ID unit. Remove the rear cover and inspect the initial movement. Is there any abnormality with up/down movement? No Replace the ID unit. Yes Inspect the driver replay PCB, ID up/down sensor, ID motor driving mechanism.

• Code: 147
• Display: Service Call 147:Error
• Description: Toner supply motor error (01=K, 02=C, 03=M, 04=Y, 05=W/CL)
• Remedy: Remove the toner cartridge. Does the motor run in motor testing? Yes Replace the toner cartridge. No Do the following check on motors and PCBs. Is the motor resistant value abnormal, the motor wire disconnected or shorted? Yes Replace the motor. No Replace the driver relay PCB. Does the error recur? Yes Replace the toner supply mechanism.

• Code: 163
• Display: Service Call 163:Error
• Description: Toner sensor detection error (01=K, 02=C, 03=M, 04=Y, 05 =W/CL) This error does not occur with the factory default settings.
• Remedy: Is the stopper (orange) removed? No Remove the stopper. Is the ID unit prism soiled? Yes Clean it. No Replace the ID unit. Does this error recur? Yes Replace the driver relay PCB. Does this error recur? Yes Replace the toner low sensor board and the cable.

• Code: 166
• Display: Service Call 166:Error
• Description: An abnormality was detected with the power supply temperature thermistor. 01: The power supply thermistor is detected as shorted. 02: The power supply thermistor is detected as open. 03: The power supply thermistor indicates high temperature error. 04 : The power supply thermistor indicates low temperature error.
• Remedy: Does this error recur? Yes Power OFF/ON. Replace the printer control PCB.

• Code: 167
• Display: Service Call 167:Error
• Description: Thermistor slope error
• Remedy: Is the error message displayed? Yes Restore the power. Does this error recur? Yes After leaving the printer for 30 minutes, turn on the power again.

• Code: 168
• Display: Service Call 168:Error
• Description: 01: thermistor is detected as shorted 02: thermistor is detected as open 03: thermistor indicates high temperature error 04: thermistor indicates low temperature error
• Remedy: Is the error message displayed? Yes Restore the power. Does this error recur? Yes After leaving the printer for 30 minutes, turn on the power again. When the power is restored for the 168-03 error, the display changes to Service Call 994: Error.