Code: F3 42
Description:
Lift up trouble (Paper 4)
Causes:
Lifting is not completed (LUD4) is not turned ON) within the specified time after turning ON the lift motor.
Remedy:
Case 1 Trouble position/cause LUD4 detector trouble Remedy (Check) Check operation of the LUD4 detector (SIM 30-2). (Repair) Replace the LUD4 detector. / Power Source-ON (After-work) Note Case 2 Trouble position/cause "Lift mechanism (motor, etc.) trouble" Remedy (Check) "Check operations of the lift mechanism section (motor, etc.)." (Repair) replace the e lift unit. / Power Source-ON (After-work) Note Case 3 Trouble position/cause Bad connection between the PCU MAIN PWB and the lift unit. Remedy (Check) Check connection between the PCU MAIN PWB and the lift unit. (Repair) Repair or replace the connector and cables of the PCU MAIN PWB and the lift unit. / Power Source-ON (After-work) Note Case 4 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) (Repair) Replace the PCU MAIN PWB. / Power Source-ON (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.)
Code: F9 0
Description:
ICU PWB-printer controller communication trouble (ICU detection)
Causes:
"Communication (protocol, data) error"
Remedy:
Case 1 Trouble position/cause Printer I/F PWB trouble Remedy (Check) Check the printer I/F PWB. (Repair) Replace the printer I/F PWB. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Bad connection of the signal line between the printer controller and the ICU image PWB. Remedy (Check) Check the signal line between the printer controller and the ICU image PWB. (Repair) Repair or replace the cable and the connector between the printer controller and the ICU image PWB. / Power Source-ON (After-work) Note Case 3 Trouble position/cause ICU IMAGE PWB trouble Remedy (Check) (Repair) ICU IMAGE PWB replacement / Power Source-ON (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.) Note Case 4 Trouble position/cause Printer controller trouble Remedy (Check) Check the printer controller. (Repair) Repair or replace the printer controller. / Power Source-ON
Code: H2 0
Description:
Fusing main temperature sensor (upper) (Thermistor) open / Fusing unit not-installed (THS1)
Causes:
Fusing main temperature sensor (upper) (Thermistor) output line open (A voltage of 4.6V or above is detected.) / The fusing unit is not installed.
Remedy:
Case 1 Trouble position/cause Fusing main temperature sensor (upper) (Thermistor) output line open trouble Remedy (Check) Bad connection between the fusing main temperature sensor (upper)(Thermistor) and the PCU SUB PWB (Repair) Check connection of the fusing main temperature sensor (upper)(Thermistor) and the PCU SUB PWB. / Power Source-ON (After-work) Repair or replace the harness and connector between the fusing main temperature sensor (upper)(Thermistor) and the PCU SUB PWB. Note Case 2 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the PCU SUB PWB fusing temperature sensor circuit. (Repair) PCU SUB PWB replacement / Power Source-ON
Code: H2 1
Description:
Fusing main temperature sensor (lower) (Thermistor) open / Fusing unit not-installed (THS2)
Causes:
Fusing main temperature sensor (lower) (Thermistor) output line open (A voltage of 4.6V or above is detected.) / The fusing unit is not installed.
Remedy:
Case 1 Trouble position/cause Fusing main temperature sensor (lower) (Thermistor) output line open trouble Remedy (Check) Bad connection between the fusing main temperature sensor (lower)(Thermistor) and the PCU SUB PWB (Repair) Check connection of the fusing main temperature sensor (lower)(Thermistor) and the PCU SUB PWB. / Power Source-ON (After-work) Repair or replace the harness and connector between the fusing main temperature sensor (lower)(Thermistor) and the PCU SUB PWB. Note Case 2 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the PCU SUB PWB fusing temperature sensor circuit. (Repair) PCU SUB PWB replacement / Power Source-ON
Code: H2 2
Description:
Fusing sub temperature sensor (upper) (Thermistor) open / Fusing unit not-installed (THS3)
Causes:
Fusing sub temperature sensor (upper) (Thermistor) output line open (A voltage of 4.6V or above is detected.) / The fusing unit is not installed.
Remedy:
Case 1 Trouble position/cause Fusing sub temperature sensor (upper) (Thermistor) output line open trouble Remedy (Check) Bad connection between the fusing sub temperature sensor (upper)(Thermistor) and the PCU SUB PWB (Repair) Check connection of the fusing sub temperature sensor (upper)(Thermistor) and the PCU SUB PWB. / Power Source-ON (After-work) Repair or replace the harness and connector between the fusing sub temperature sensor (upper)(Thermistor) and the PCU SUB PWB. Case 2 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the PCU SUB PWB fusing temperature sensor circuit. (Repair) PCU SUB PWB replacement / Power Source-ON
Code: H2 3
Description:
Fusing sub temperature sensor (lower) (Thermistor) open / Fusing unit not-installed (THS4)
Causes:
Fusing main temperature sensor (lower) (Thermistor) output line open (A voltage of 4.6V or above is detected.) / The fusing unit is not installed.
Remedy:
Case 1 Trouble position/cause Fusing main temperature sensor (lower) (Thermistor) output line open trouble Remedy (Check) Bad connection between the fusing main temperature sensor (lower)(Thermistor) and the PCU SUB PWB (Repair) Check connection of the fusing main temperature sensor (lower)(Thermistor) and the PCU SUB PWB. / Power Source-ON (After-work) Repair or replace the harness and connector between the fusing main temperature sensor (lower)(Thermistor) and the PCU SUB PWB. Note Case 2 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the PCU SUB PWB fusing temperature sensor circuit. (Repair) PCU SUB PWB replacement / Power Source-ON
Code: H3 0
Description:
Fusing section high temperature trouble (THS1)
Causes:
The fusing temperature rises above 220°C. (The temperature sensor (Thermistor) voltage of 0.85V or less is detected.)
Remedy:
Case 1 Trouble position/cause Temperature sensor (Thermistor) trouble Remedy (Check) Check for dirt on the temperature sensor (Thermistor). (Repair) Clean or replace the temperature sensor (Thermistor). / SIM 14 (After-work) Note Case 2 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the PCU SUB PWB fusing temperature sensor circuit. (Repair) PCU SUB PWB replacement / SIM 14 (After-work) Note Case 3 Trouble position/cause Heater lamp control PWB (AC SUB PWB) trouble Remedy (Check) Check the operation of the heater lamp. (SIM 5-2) (Repair) Replace the heater lamp control PWB (AC SUB PWB). / SIM 14
Code: H3 1
Description:
Fusing section high temperature trouble (THS2)
Causes:
The fusing temperature rises above 220°C. (The temperature sensor (Thermistor) voltage of 0.85V or less is detected.)
Remedy:
Case 1 Trouble position/cause Temperature sensor (Thermistor) trouble Remedy (Check) Check for dirt on the temperature sensor (Thermistor). (Repair) Clean or replace the temperature sensor (Thermistor). / SIM 14 (After-work) Note Case 2 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the PCU SUB PWB fusing temperature sensor circuit. (Repair) PCU SUB PWB replacement / SIM 14 (After-work) Note Case 3 Trouble position/cause Heater lamp control PWB (AC SUB PWB) trouble Remedy (Check) Check the operation of the heater lamp. (SIM 5-2) (Repair) Replace the heater lamp control PWB (AC SUB PWB). / SIM 14
Code: H3 2
Description:
Fusing section high temperature trouble (THS3)
Causes:
The fusing temperature rises above 220°C. (The temperature sensor (Thermistor) voltage of 0.85V or less is detected.)
Remedy:
Case 1 Trouble position/cause Temperature sensor (Thermistor) trouble Remedy (Check) Check for dirt on the temperature sensor (Thermistor). (Repair) Clean or replace the temperature sensor (Thermistor). / SIM 14 (After-work) Note Case 2 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the PCU SUB PWB fusing temperature sensor circuit. (Repair) PCU SUB PWB replacement / SIM 14 (After-work) Note Case 3 Trouble position/cause Heater lamp control PWB (AC SUB PWB) trouble Remedy (Check) Check the operation of the heater lamp. (SIM 5-2) (Repair) Replace the heater lamp control PWB (AC SUB PWB). / SIM 14
Code: H3 3
Description:
Fusing section high temperature trouble (THS4)
Causes:
The fusing temperature rises above 220°C. (The temperature sensor (Thermistor) voltage of 0.85V or less is detected.)
Remedy:
Case 1 Trouble position/cause Temperature sensor (Thermistor) trouble Remedy (Check) Check for dirt on the temperature sensor (Thermistor). (Repair) Clean or replace the temperature sensor (Thermistor). / SIM 14 (After-work) Note Case 2 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the PCU SUB PWB fusing temperature sensor circuit. (Repair) PCU SUB PWB replacement / SIM 14 Case 3 Trouble position/cause Heater lamp control PWB (AC SUB PWB) trouble Remedy (Check) Check the operation of the heater lamp. (SIM 5-2) (Repair) Replace the heater lamp control PWB (AC SUB PWB). / SIM 14
Code: H4 0
Description:
Fusing section (upper) low temperature trouble (HL1)
Causes:
The specified temperature is not reached within the specified time (5 min) after starting warm-up.
Remedy:
Case 1 Trouble position/cause Temperature sensor (Thermistor) trouble Remedy (Check) Check for dirt on the temperature sensor (Thermistor). (Repair) Clean or replace the temperature sensor (Thermistor). / SIM 14 (After-work) Note Case 2 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the PCU SUB PWB fusing temperature sensor circuit. (Repair) PCU SUB PWB replacement / SIM 14 (After-work) Note Case 3 Trouble position/cause Heater lamp control PWB (AC SUB PWB) trouble Remedy (Check) Check the operation of the heater lamp. (SIM 5-2) (Repair) Replace the heater lamp control PWB (AC SUB PWB). / SIM 14 (After-work) Note Case 4 Trouble position/cause AC main power PWB trouble Remedy (Check) Check the operation of the heater lamp. (SIM 5-2). (Repair) AC main power PWB replacement / SIM 14 (After-work) Note Case 5 Trouble position/cause Interlock switch (door) trouble Remedy (Check) Check the interlock switch (door). (Repair) Replace the interlock switch (door). / SIM 14 (After-work) Note Case 6 Trouble position/cause Thermostat operation or trouble Remedy (Check) Check the thermostat contact. (Repair) Reset or replace the thermostat. / SIM 14 (After-work) Note Case 7 Trouble position/cause Heater lamp trouble Remedy (Check) Check the operation of the heater lamp. (SIM5-2) (Repair) Replace the heater lamp. / SIM 14
Code: H4 1
Description:
Fusing section (lower) low temperature trouble (HL2)
Causes:
The specified temperature is not reached within the specified time (5 min) after starting warm-up.
Remedy:
Case 1 Trouble position/cause Temperature sensor (Thermistor) trouble Remedy (Check) Check for dirt on the temperature sensor (Thermistor). (Repair) Clean or replace the temperature sensor (Thermistor). / SIM 14 (After-work) Note Case 2 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the PCU SUB PWB fusing temperature sensor circuit. (Repair) PCU SUB PWB replacement / SIM 14 (After-work) Note Case 3 Trouble position/cause Heater lamp control PWB (AC SUB PWB) trouble Remedy (Check) Check the operation of the heater lamp. (SIM 5-2) (Repair) Replace the heater lamp control PWB (AC SUB PWB). / SIM 14 (After-work) Note Case 4 Trouble position/cause AC main power PWB trouble Remedy (Check) Check the operation of the heater lamp. (SIM 5-2). (Repair) AC main power PWB replacement / SIM 14 (After-work) Note Case 5 Trouble position/cause Interlock switch (door) trouble Remedy (Check) Check the interlock switch (door). (Repair) Replace the interlock switch (door). / SIM 14 (After-work) Note Case 6 Trouble position/cause Thermostat operation or trouble Remedy (Check) Check the thermostat contact. (Repair) Reset or replace the thermostat. / SIM 14 (After-work) Note Case 7 Trouble position/cause Heater lamp trouble Remedy (Check) Check the operation of the heater lamp. (SIM5-2) (Repair) Replace the heater lamp. / SIM 14
Code: H5 1
Description:
Paper jam in the fusing/paper exit section
Causes:
POD/DPID do not detect 3 sheets of paper continuously.
Remedy:
Case 1 Trouble position/cause Paper remaining in the fusing section Remedy (Check) Check for remaining paper. (Repair) Remove remaining paper. / SIM 14 (After-work) Note Case 2 Trouble position/cause POD/DPID detector trouble Remedy (Check) Check operations of POD/DPID detectors. (SIM30-1) (Repair) Replace the POD/DPID detectors. / SIM 14 (After-work) Note Case 3 Trouble position/cause Fusing unit installation trouble Remedy (Check) Check installation of the fusing unit. (Repair) Install the fusing unit properly. / SIM 14 Case 4 Trouble position/cause Fusing unit installation trouble Remedy (Check) (Repair) SIM 14 (After-work) Note Case 5 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the PCU SUB PWB fusing temperature sensor circuit. (Repair) PCU SUB PWB replacement / SIM 14 (After-work) Note Case 6 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) (Repair) Replace the PCU MAIN PWB. / SIM 14 (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.)
Code: H5 2
Description:
Paper jam in the fusing/paper exit sections (paper jam winding around the upper fusing roller) (Upper fusing roller temperature distribution abnormality)
Causes:
A difference is generated in the upper roller temperature distribution. (A difference between the detected outputs of the fusing main temperature sensor (THS1) and the sub temperature sensor (THS3) is greater than the specified level. (Winding of paper is detected.)
Remedy:
Case 1 Trouble position/cause Paper is winding around the fusing roller. Remedy (Check) Check for winding jam of paper around the fusing roller. (Repair) Remove paper winding around the fusing roller. / SIM 14 (After-work) Note Case 2 Trouble position/cause Temperature sensor (Thermistor) trouble Remedy (Check) Check for dirt on the temperature sensor (Thermistor). (Repair) Clean or replace the temperature sensor (Thermistor). / SIM 14 (After-work) Note Case 3 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the PCU SUB PWB fusing temperature sensor circuit. (Repair) PCU SUB PWB replacement / SIM 14

Code: H5 3
Description:
Paper jam in the fusing/paper exit sections (paper jam winding around the lower fusing roller) (Lower fusing roller temperature distribution abnormality)
Causes:
A difference is generated in the lower roller temperature distribution. (A difference between the detected outputs of the fusing main temperature sensor (THS2) and the sub temperature sensor (THS4) is greater than the specified level. (Winding of paper is detected.)
Remedy:
Case 1 Trouble position/cause Paper is winding around the fusing roller. Remedy (Check) Check for winding jam of paper around the fusing roller. (Repair) Remove paper winding around the fusing roller. / SIM 14 Case 2 Trouble position/cause Temperature sensor (Thermistor) trouble Remedy (Check) Check for dirt on the temperature sensor (Thermistor). (Repair) Clean or replace the temperature sensor (Thermistor). / SIM 14 (After-work) Note Case 3 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the PCU SUB PWB fusing temperature sensor circuit. (Repair) PCU SUB PWB replacement / SIM 14
Code: H6 0
Description:
Fusing oil empty (Oil sensor trouble)
Causes:
Fussing oil empty is detected.
Remedy:
Case 1 Trouble position/cause Insufficient remaining quantity of fusing oil Remedy (Check) Check the remaining quantity of fusing oil. (Repair) Supply fusing oil. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Fusing oil sensor trouble Remedy (Check) Check operation of the fusing oil sensor. (SIM30-1) (Repair) Replace the fusing oil sensor. / Power Source-ON (After-work) Note Case 3 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the PCU SUB PWB fusing oil sensor circuit. (Repair) PCU SUB PWB replacement / Power Source-ON
Code: H7 0
Description:
AC input voltage (HLV) trouble
Causes:
An AC input voltage of 0.5V or less or 4.0Vor above is detected more than 50 times repeatedly in sampling. (Sampling interval: 10msec)
Remedy:
Case 1 Trouble position/cause DC SUB power PWB trouble Remedy (Check) Check the DC SUB power PWB HLV signal circuit. (Repair) DC SUB power PWB replacement / Power Source-ON (After-work) Note Case 2 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the PCU SUB PWB HLV signal circuit. (Repair) PCU SUB PWB replacement / Power Source-ON
Code: L1 0
Description:
Scanner feed trouble
Causes:
Scanner feed is not completed within the specified time. (The scanner home position sensor (MhpS) does not turn OFF within the specified time after outputting the scanner motor ON (feeding start) signal.)
Remedy:
Case 1 Trouble position/cause Scanner home position sensor (MhpS) trouble Remedy (Check) Check the scanner home position sensor (MhpS) operation. (SIM 1-1/1-2) (Repair) Replace the scanner home position sensor (MhpS). / Power Source-ON (After-work) Note Case 2 Trouble position/cause Scanner motor trouble / Scanner motor control PWB trouble Remedy (Check) Check the scanner motor. / Check the scanner motor control PWB. (SIM 1-1) (Repair) Replace the scanner motor. / Replace the scanner motor control PWB. / Power Source-ON (After-work) Note Case 3 Trouble position/cause Scanner mechanism section trouble Remedy (Check) Check the scanner mechanism section. (Repair) "Repair the scanner mechanism section (scanner driver wire, drive pulley, etc.)." / Power Source-ON (After-work) Note Case 4 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) (Repair) Replace the PCU MAIN PWB. / Power Source-ON (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.)
Code: L3 0
Description:
Scanner return trouble
Causes:
Scanner feed is not completed within the specified time. (The scanner home position sensor (MhpS) does not turn OFF within the specified time after outputting the scanner motor ON (feeding start) signal.)
Remedy:
Case 1 Trouble position/cause Scanner home position sensor (MhpS) trouble Remedy (Check) Check the scanner home position sensor (MhpS) operation. (SIM 1-1/1-2) (Repair) Replace the scanner home position sensor (MhpS). / Power Source-ON (After-work) Note Case 2 Trouble position/cause Scanner motor trouble / Scanner motor control PWB trouble Remedy (Check) Check the scanner motor. / Check the scanner motor control PWB. (SIM 1-1) (Repair) Replace the scanner motor. / Replace the scanner motor control PWB. / Power Source-ON (After-work) Note Case 3 Trouble position/cause Scanner mechanism section trouble Remedy (Check) Check the scanner mechanism section. (Repair) "Repair the scanner mechanism section (scanner driver wire, drive pulley, etc.)." / Power Source-ON (After-work) Note Case 4 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) (Repair) Replace the PCU MAIN PWB. / Power Source-ON (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.)
Code: L4 1
Description:
Paper feed motor trouble
Causes:
The motor lock signal is detected for 1.5sec or more during rotation of the paper feed motor.
Remedy:
Case 1 Trouble position/cause Paper feed motor trouble Remedy (Check) Check the paper feed motor operation. (SIM 6-1) (Repair) Replace the paper feed motor. / Power Source-ON (After-work) Note Case 2 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) (Repair) Replace the PCU MAIN PWB. / Power Source-ON (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.) Note Case 3 Trouble position/cause Paper feed/transport mechanism section trouble. Remedy (Check) Check the loads in the paper feed/transport mechanism section. (Repair) Repair or replace parts in the paper feed/transport mechanism section. / Power Source-ON
Code: L4 3
Description:
Fusing motor trouble
Causes:
The encoder pulse is not detected for 50ms or more when the fusing motor is ON.
Remedy:
Case 1 Trouble position/cause Fusing motor trouble Remedy (Check) Check the fusing motor operation.(SIM 6-1) (Repair) Replace the fusing motor. / Power Source-ON (After-work) Note Case 2 Trouble position/cause PCU SUB PWB trouble Remedy (Check) (Repair) PCU SUB PWB replacement / Power Source-ON (After-work) Note Case 3 Trouble position/cause Fusing mechanism section trouble Remedy (Check) Check the loads of the fusing mechanism section. (Repair) Repair or replace the parts in the fusing mechanism section. / Power Source-ON
Code: L4 4
Description:
Developing motor trouble (BLACK)
Causes:
The motor lock signal is detected for 1.5sec or more when the developing motor is ON.
Remedy:
Case 1 Trouble position/cause Developing motor trouble Remedy (Check) Check the developing motor operation (SIM 25-1). (Repair) Replace the developing motor. / Power Source-ON Case 2 Trouble position/cause Developing mechanism section trouble Remedy (Check) Check the loads of the developing mechanism section. (Repair) Repair or replace the parts in the developing mechanism section. / Power Source-ON (After-work) Note Case 3 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) (Repair) Replace the PCU MAIN PWB. / Power Source-ON (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.)

Code: L4 5
Description:
Developing motor trouble (COLOR)
Causes:
The motor lock signal is detected for 1.5sec or more when the developing motor is ON.
Remedy:
Case 1 Trouble position/cause Developing motor trouble Remedy (Check) Check the developing motor operation (SIM 25-1). (Repair) Replace the developing motor. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Developing mechanism section trouble Remedy (Check) Check the loads of the developing mechanism section. (Repair) Repair or replace the parts in the developing mechanism section. / Power Source-ON (After-work) Note Case 3 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) (Repair) Replace the PCU MAIN PWB. / Power Source-ON (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.) Note Case 4 Trouble position/cause Developing motor power line trouble Remedy (Check) Check the fuse (F707). (Repair) Replace the fuse (F707). / Power Source-ON
Code: L4 6
Description:
Transfer belt lift trouble
Causes:
The transfer unit home position sensor (BLLD) ON/OFF is not detected (kept ON or OFF) when the transfer unit is lifted up and down.
Remedy:
Case 1 Trouble position/cause Transfer belt lift motor trouble Remedy (Check) Check the transfer belt lift motor. (SIM 6-1) (Repair) Replace the transfer belt lift motor. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Transfer unit home position sensor (BLUD) trouble Remedy (Check) Check the transfer unit home position sensor (BLUD) operation. (SIM 30-1) (Repair) Replace the transfer unit home position sensor (BLUD). / Power Source-ON Case 3 Trouble position/cause Transfer unit lift mechanism section trouble Remedy (Check) Check the transfer unit lift mechanism section. (Repair) Repair the transfer unit lift mechanism or replace the parts. / Power Source-ON (After-work) Note Case 4 Trouble position/cause PCU SUB PWB trouble Remedy (Check) PCU SUB PWB transfer lift motor circuit check. (Repair) PCU SUB PWB replacement / Power Source-ON
Code: L6 10
Description:
Scanner (writing) motor lock detection (BLACK)
Causes:
Scanner (writing) unit (LSU) polygon motor lock signal detection trouble (The lock signal is not detected for 10 sec after turning on the polygon motor.)
Remedy:
Case 1 Trouble position/cause Scanner (writing) unit (LSU) trouble Remedy (Check) Scanner (writing) unit (LSU) operation check (SIM 61-1) (Repair) Replace the scanner (writing) unit (LSU). / Power Source-ON (After-work) Adjust ADJM7/ADJM9/ADJM10 Note Case 2 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) ICUMAIN PWB replacement / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.)
Code: L6 11
Description:
Scanner (writing) motor lock detection (CYAN)
Causes:
Scanner (writing) unit (LSU) polygon motor lock signal detection trouble (The lock signal is not detected for 10 sec after turning on the polygon motor.)
Remedy:
Case 1 Trouble position/cause Scanner (writing) unit (LSU) trouble Remedy (Check) Scanner (writing) unit (LSU) operation check (SIM 61-1) (Repair) Replace the scanner (writing) unit (LSU). / Power Source-ON (After-work) Adjust ADJM7/ADJM9/ADJM10 Note Case 2 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) ICUMAIN PWB replacement / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.)
Code: L6 12
Description:
Scanner (writing) motor lock detection (MAGENTA)
Causes:
Scanner (writing) unit (LSU) polygon motor lock signal detection trouble (The lock signal is not detected for 10 sec after turning on the polygon motor.)
Remedy:
Case 1 Trouble position/cause Scanner (writing) unit (LSU) trouble Remedy (Check) Scanner (writing) unit (LSU) operation check (SIM 61-1) (Repair) Replace the scanner (writing) unit (LSU). / Power Source-ON (After-work) Adjust ADJM7/ADJM9/ADJM10 Note Case 2 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) ICUMAIN PWB replacement / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.)
Code: L6 13
Description:
Scanner (writing) motor lock detection (YELLOW)
Causes:
Scanner (writing) unit (LSU) polygon motor lock signal detection trouble (The lock signal is not detected for 10 sec after turning on the polygon motor.)
Remedy:
Case 1 Trouble position/cause Scanner (writing) unit (LSU) trouble Remedy (Check) Scanner (writing) unit (LSU) operation check (SIM 61-1) (Repair) Replace the scanner (writing) unit (LSU). / Power Source-ON (After-work) Adjust ADJM7/ADJM9/ADJM10 Note Case 2 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) ICUMAIN PWB replacement / Power Source-ON (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.)
Code: L8 1
Description:
Power full wave signal (FWS) trouble
Causes:
"The power full wave signal (FWS) is not detected. / AC power waveform distortion, noise"
Remedy:
Case 1 Trouble position/cause Fusing oil collection pipe section short connector trouble Remedy (Check) Check the fusing oil collection pipe section short connector. (Repair) Replace the fusing oil collection pipe section short connector. / Power Source-ON (After-work) Note Case 2 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the power full wave signal (FWS) circuit. (Repair) PCU SUB PWB replacement / Power Source-ON (After-work) Note Case 3 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) Check the power full wave signal (FWS) circuit. (Repair) Replace the PCU MAIN PWB. / Power Source-ON (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.) Note Case 4 Trouble position/cause DC SUB power PWB trouble Remedy (Check) Check the power full wave signal (FWS) circuit. (Repair) DC SUB power PWB replacement / Power Source-ON
Code: L8 2
Description:
Power full wave signal (FWS) width trouble
Causes:
"The power full wave signal (FWS) is not detected. / AC power waveform distortion, noise (When the detection cycle is judged as 69Hz or more or 42.5Hz or less.)"
Remedy:
Case 1 Trouble position/cause Fusing oil collection pipe section short connector trouble Remedy (Check) Check the fusing oil collection pipe section short connector. (Repair) Replace the fusing oil collection pipe section short connector. / Power Source-ON (After-work) Note Case 2 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the power full wave signal (FWS) circuit. (Repair) PCU SUB PWB replacement / Power Source-ON (After-work) Note Case 3 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) Check the power full wave signal (FWS) circuit. (Repair) Replace the PCU MAIN PWB. / Power Source-ON (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.) Note Case 4 Trouble position/cause PCU SUB PWB trouble Remedy (Check) Check the power full wave signal (FWS) circuit. (Repair) PCU SUB PWB replacement / Power Source-ON
Code: PF 0
Description:
RIC copy inhibit signal reception
Causes:
The RIC copy inhibit command is received through RIC I/F from the host.
Remedy:
Case 1 Trouble position/cause The copy inhibit command is received from the host. Remedy (Check) (Repair) Use SIM 27-1 to ignore the copy inhibit command. / SIM 17 (After-work) Note Case 2 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) RIC I/F circuit check (Repair) Replace the PCU MAIN PWB. / SIM 17 (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.)
Code: U0 0
Description:
Operation control PWB - PCU MAIN PWB communication trouble (OPE/PCU detection)
Causes:
"Communication (protocol, data) error"
Remedy:
Case 1 Trouble position/cause Bad connection of the signal line between the PCU MAIN PWB and the operation control PWB Remedy (Check) Check the signal line between the PCU MAIN PWB and the operation control PWB. (Repair) Repair or replace the cable and the connector between the PCU MAIN PWB and the operation control PWB. / Power Source-ON Case 2 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) (Repair) Replace the PCU MAIN PWB. / Power Source-ON (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.) Note Case 3 Trouble position/cause Operation control PWB trouble Remedy (Check) (Repair) Operation control PWB replacement / Power Source-ON
Code: U0 80
Description:
PCU MAIN PWB - PCU SUB PWB communication trouble (PCU detection)
Causes:
"Communication (protocol, data) error"
Remedy:
Case 1 Trouble position/cause Bad connection of the signal line between the PCUMAIN PWB and the PCU SUB PWB. Remedy (Check) Check connection of the signal line between the PCU MAIN PWB and the PCU SUB PWB. (Repair) Repair or replace the cable and the connector of the PCU MAIN PWB and the PCU SUB PWB. / Power Source-ON (After-work) Note Case 2 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) (Repair) Replace the PCU MAIN PWB. / Power Source-ON (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.) Note Case 3 Trouble position/cause PCU SUB PWB trouble Remedy (Check) (Repair) PCU SUB PWB replacement / Power Source-ON
Code: U2 0
Description:
EEPROM read/write error (PCU MAIN PWB)
Causes:
EEPROM read/write error
Remedy:
Case 1 Trouble position/cause EEPROM trouble Remedy (Check) (Repair) Replace the EEPROM. / SIM 16 (After-work) Note Case 2 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) (Repair) Replace the PCU MAIN PWB. / SIM 16 (After-work) Re-enter the set values and the adjustment values.
Code: U2 11
Description:
Counter data (EEPROM) check sum error (PCU MAIN PWB)
Causes:
Counter data area check sum error
Remedy:
Case 1 Trouble position/cause EEPROM trouble Remedy (Check) (Repair) Replace the EEPROM. / SIM 16 (After-work) Note Case 2 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) (Repair) Replace the PCU MAIN PWB. / SIM 16 (After-work) Re-enter the set values and the adjustment values.
Code: U2 12
Description:
Setup/adjustment value data (EEPROM) check sum error (PCU MAIN PWB)
Causes:
Setup/adjustment data area check sum error
Remedy:
Case 1 Trouble position/cause EEPROM trouble Remedy (Check) (Repair) Replace the EEPROM. / SIM 16 (After-work) Note Case 2 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) (Repair) Replace the PCU MAIN PWB. / SIM 16 (After-work) Re-enter the set values and the adjustment values.
Code: U2 20
Description:
EEPROM read/write error (ICU MAIN PWB)
Causes:
EEPROM read/write error
Remedy:
Case 1 Trouble position/cause EEPROM trouble Remedy (Check) (Repair) Replace the EEPROM. / SIM 16 (After-work) Note Case 2 Trouble position/cause ICU MAIN PWB trouble Remedy (Check) (Repair) ICU MAIN PWB replacement / SIM 16 (After-work) Adjust ADJM9/M10/M12/M13/M14/M15/M17. / Re-enter setup values and adjustment values. (Install the EEPROM of the defective ICU MAIN PWB to a new ICU MAIN PWB.)