Code: F1-31
Description:
Finisher saddle motor trouble (Saddle stitch finisher)
Causes:
Saddle paper folding motor trouble. Saddle paper folding mechanism trouble. Finisher control PWB trouble. Folding plate home position sensor trouble. Saddle paper folding motor rotation sensor trouble. Harness/connector connection trouble. PCU PWB trouble.
Remedy:
Use SIM3-3 to check the operation of the saddle motor. Check the saddle paper folding mechanism. Check the finisher control PWB, and replace if necessary. Check the folding plate home position sensor, and replace if necessary. Check the saddle paper folding motor rotation sensor, and replace if necessary. Check connection of the harness/connector, and replace if necessary. Check the PCU PWB, and replace if necessary.
Code: F1-32
Description:
Communication error between the finisher and the punch unit (Saddle stitch finisher)
Causes:
Connector/harness trouble between the finisher and
the punch unit.
Finisher control PWB trouble.
PCU PWB trouble.
Malfunction due to noises.
Remedy:
Check the connector/harness between the finisher and the punch unit, and replace if necessary. Check the finisher control PWB, and replace if necessary. Check the PCU PWB, and replace if necessary.
Code: F1-33
Description:
Punch unit shift operation trouble
Causes:
Punch shift motor trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
Remedy:
Use SIM3-3 to check the operation of the punch shifting. Use SIM3-2 to check the operation of the home position sensor. Replace the punch shift motor. Replace the finisher control PWB. Replace the home position sensor. Check connection of the connectors and the harness.
Code: F1-34
Description:
Punch operation trouble
Causes:
Punch motor trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
Remedy:
Use SIM3-2 to check the operation of the home position sensor. Use SIM3-3 to check the operation of the punch. Replace the punch motor. Replace the finisher control PWB. Replace the home position sensor. Check connection of the connectors and the harness.
Code: F1-36
Description:
Punch paper edge detection error
Causes:
Punch paper edge sensor trouble. Harness disconnection. Finisher control PWB trouble. Punch control PWB trouble.
Remedy:
Use SIM3-2 to check the operation of the sensor. Replace the punch paper edge sensor. Replace the finisher control PWB. Replace the punch control PWB.

Code: F1-37
Description:
Finisher data backup RAM error
Causes:
Finisher control PWB trouble. Malfunction due to noises
Remedy:
Replace the finisher control PWB. Readjust the finisher. (Use SIM3-10, Finisher control PWB DIP SW adjustment.)
Code: F1-38
Description:
Punch data backup RAM error
Causes:
Punch control PWB trouble. Malfunction due to noises
Remedy:
Replace the punch control PWB. Set the punch unit specifications, and adjust the sensor. (Punch unit control PWB DIP SW adjustment.)
Code: F1-39
Description:
Punch paper dust sensor error
Causes:
Punch dust sensor trouble. Harness and connector connection trouble. Finisher control PWB trouble. Punch unit control PWB trouble.
Remedy:
Use SIM3-2 to check the operation of the sensor. Check connection of the connectors and the harness. Replace the punch dust sensor. Replace the finisher control PWB. Replace the punch unit control PWB.
Code: F1-41
Description:
Saddle paper positioning operation trouble
Abnormality in the folding positioning guide motor in the saddle section.
Causes:
Saddle paper positioning guide drive motor trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
Remedy:
Use SIM3-3 to check the operation of the saddle paper positioning motor. Check connection from the control PWB to the motor. Turn OFF/ON the power. Replace the control PWB. Replace the sensor.
Code: F1-43
Description:
Saddle alignment operation trouble
Causes:
Saddle alignment motor trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
Remedy:
Use SIM3-3 to check the operation of the Saddle alignment motor (FSPAM). Check connection from the control PWB to the motor. Turn OFF/ON the power. Replace the control PWB. Replace the sensor.
Code: F1-45
Description:
Saddle staple trouble
Abnormality of the staple unit drive motor in the saddle section.
Causes:
Saddle staple motor trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
Remedy:
Use SIM3-3 to check the operation of the saddle staple motor. Check connection from the control PWB to the motor. Turn OFF/ON the power. Replace the control PWB. Replace the sensor.
Code: F1-47
Description:
Saddle paper transport motor trouble
Abnormality in the drive roller oscillation motor in the finisher saddle transport section.
Causes:
Saddle paper transport motor trouble. Finisher control PWB trouble. Harness and connector connection trouble. Fuse blown (24V line).
Remedy:
Use SIM3-3 to check the operation of the saddle paper transport motor. Check connection from the control PWB to the motor. Replace the control PWB. Replace the sensor.
Code: F1-50
Description:
Main unit - Finisher combination error
Causes:
The finisher which is not supported by the main unit model is installed. Finisher control PWB trouble.
Remedy:
Install a proper finisher. Replace the finisher control PWB.
Code: F2-22
Description:
Discharge lamp trouble (K)
The lamp is kept open for 1 sec from turning on the discharge lamp.
Causes:
Contact trouble between the discharge lamp PWB (K) and the PCU PWB. Discharge lamp PWB (K) trouble. PCU PWB trouble.
Remedy:
Replace the discharge lamp PWB (K). Check the harness and the connector. Replace the PCU PWB.
Code: F2-23
Description:
Discharge lamp trouble (C)
The lamp is kept open for 1 sec from turning on the discharge lamp.
Causes:
Contact trouble between the discharge lamp PWB (C) and the PCU PWB. Discharge lamp PWB (C) trouble. PCU PWB trouble.
Remedy:
Replace the discharge lamp PWB (C). Check the harness and the connector. Replace the PCU PWB.
Code: F2-24
Description:
Discharge lamp trouble (M)
The lamp is kept open for 1 sec from turning on the discharge lamp.
Causes:
Contact trouble between the discharge lamp PWB (M) and the PCU PWB. Discharge lamp PWB (M) trouble. PCU PWB trouble.
Remedy:
Replace the discharge lamp PWB (M). Check the harness and the connector. Replace the PCU PWB.
Code: F2-25
Description:
Discharge lamp trouble (Y)
The lamp is kept open for 1 sec from turning on the discharge lamp.
Causes:
Contact trouble between the discharge lamp PWB (Y) and the PCU PWB. Discharge lamp PWB (Y) trouble. PCU PWB trouble.
Remedy:
Replace the discharge lamp PWB (Y). Check the harness and the connector. Replace the PCU PWB.
Code: F2-39
Description:
Process thermistor trouble
Causes:
Process thermistor trouble. Process thermistor harness connection trouble. PCU PWB trouble.
Remedy:
Replace the process thermistor. Check connection of the process thermistor harness and the connector. Replace the PCU PWB.
Code: F2-40
Description:
Toner density sensor trouble (K)
Causes:
Toner density sensor output abnormality. Sensor connector and harness connection trouble. Developing unit trouble. PCU PWB trouble.
Remedy:
Replace the toner density sensor. Check connection of the sensor connector and the harness. Replace the developing unit. Replace the PCU PWB.
Code: F2-41
Description:
Toner density sensor trouble (C)
Causes:
Toner density sensor output abnormality. Sensor connector and harness connection trouble. Developing unit trouble. PCU PWB trouble.
Remedy:
Replace the toner density sensor. Check connection of the sensor connector and the harness. Replace the developing unit. Replace the PCU PWB.
Code: F2-42
Description:
Toner density sensor trouble (M)
Causes:
Toner density sensor output abnormality. Sensor connector and harness connection trouble. Developing unit trouble. PCU PWB trouble.
Remedy:
Replace the toner density sensor. Check connection of the sensor connector and the harness. Replace the developing unit. Replace the PCU PWB.
Code: F2-43
Description:
Toner density sensor trouble (Y)
Causes:
Toner density sensor output abnormality. Sensor connector and harness connection trouble. Developing unit trouble. PCU PWB trouble.
Remedy:
Replace the toner density sensor. Check connection of the sensor connector and the harness. Replace the developing unit. Replace the PCU PWB.
Code: F2-45
Description:
Color image density sensor trouble
Causes:
Color image density sensor sensitivity adjustment trouble. Color image density sensor trouble. Sensor harness and connector connection trouble. Image density sensor dirt. Calibration plate dirt. Transfer unit lift operation trouble PCU PWB trouble.
Remedy:
Replace the color image density sensor. Check connection of the sensor harness and the connector. Clean the image density sensor. Replace the calibration plate. Repair the transfer unit lift mechanism. Replace the PCU PWB. Use SIM44-13 to perform the sensitivity adjustment of the process control sensor.
Code: F2-49
Description:
LSU thermistor trouble
Causes:
The LSU temperature is outside of -28„aC - 78„aC. LSU thermistor trouble. LSU thermistor harness and connector connection trouble PCU PWB trouble. LSU control PWB trouble.
Remedy:
Replace the PCU PWB. Replace the LSU control PWB. Replace the LSU.
Code: F2-50
Description:
K drum phase sensor trouble
Causes:
Drum phase sensor trouble. Drum phase sensor harness and connector
connection trouble Drum drive section trouble. PCU PWB trouble.
Remedy:
Use SIM30-1 to check the operation of "DhpD_K". Replace the drum phase sensor. Check connection of the drum phase sensor harness and the connector. Repair the drum drive section. Replace the PCU PWB.
Code: F2-51
Description:
CL drum phase sensor trouble
Causes:
Drum phase sensor trouble. Drum phase sensor harness and connector connection trouble Drum drive section trouble. PCU PWB trouble.
Remedy:
Use SIM30-1 to check the operation of "DhpD_CL". Replace the drum phase sensor. Check connection of the drum phase sensor harness and the connector. Repair the drum drive section. Replace the PCU PWB.
Code: F2-58
Description:
Temperature/humidity sensor trouble (HUD_M/TH_M)
Causes:
Temperature/humidity sensor trouble. Process humidity sensor harness and connector connection trouble PCU PWB trouble.
Remedy:
Replace the temperature/humidity sensor. Check connection of the temperature/humidity sensor harness and the connector. Replace the PCU PWB.
Code: F2-64
Description:
Toner supply operation trouble (K)
Causes:
Toner motor trouble. Toner density sensor trouble. Connector/harness trouble. PCU PWB trouble. Toner cartridge trouble. Developing unit trouble. Toner transport pipe section trouble
Remedy:
Replace the toner motor. Replace the toner density sensor. Connector and harness check. Replace the PCU PWB. Replace the toner cartridge. Replace the developing unit. Check the toner transport pipe section.
Code: F2-65
Description:
Toner supply operation trouble (C)
Causes:
Toner motor trouble. Toner density sensor trouble. Connector/harness trouble. PCU PWB trouble. Toner cartridge trouble. Developing unit trouble. Toner transport pipe section trouble
Remedy:
Replace the toner motor. Replace the toner density sensor. Connector and harness check. Replace the PCU PWB. Replace the toner cartridge. Replace the developing unit. Check the toner transport pipe section.

Code: F2-66
Description:
Toner supply operation trouble (M)
Causes:
Toner motor trouble. Toner density sensor trouble. Connector/harness trouble. PCU PWB trouble. Toner cartridge trouble. Developing unit trouble. Toner transport pipe section trouble
Remedy:
Replace the toner motor. Replace the toner density sensor. Connector and harness check. Replace the PCU PWB. Replace the toner cartridge. Replace the developing unit. Check the toner transport pipe section.
Code: F2-67
Description:
Toner supply operation trouble (Y)
Causes:
Toner motor trouble. Toner density sensor trouble. Connector/harness trouble. PCU PWB trouble. Toner cartridge trouble. Developing unit trouble. Toner transport pipe section trouble
Remedy:
Replace the toner motor. Replace the toner density sensor. Connector and harness check. Replace the PCU PWB. Replace the toner cartridge. Replace the developing unit. Check the toner transport pipe section.
Code: F2-70
Description:
Improper toner cartridge detection (K)
Causes:
An improper toner cartridge is inserted. (The main unit detects a toner cartridge of a different specification.) Toner cartridge trouble. PCU PWB trouble.
Remedy:
Replace the toner cartridge. Replace the PCU PWB.
Code: F2-71
Description:
Improper toner cartridge detection (C)
Causes:
An improper toner cartridge is inserted. (The main unit detects a toner cartridge of a different specification.) Toner cartridge trouble. PCU PWB trouble.
Remedy:
Replace the toner cartridge. Replace the PCU PWB.
Code: F2-72
Description:
Improper toner cartridge detection (M)
Causes:
An improper toner cartridge is inserted. (The main unit detects a toner cartridge of a different specification.) Toner cartridge trouble. PCU PWB trouble.
Remedy:
Replace the toner cartridge. Replace the PCU PWB.
Code: F2-73
Description:
Improper toner cartridge detection (Y)
Causes:
An improper toner cartridge is inserted. (The main unit detects a toner cartridge of a different specification.) Toner cartridge trouble. PCU PWB trouble.
Remedy:
Replace the toner cartridge. Replace the PCU PWB.
Code: F2-74
Description:
Toner cartridge CRUM error (K)
Causes:
Toner cartridge (CRUM) trouble. PCU PWB trouble. Connector and harness trouble between PCU PWB and toner cartridge
Remedy:
Replace the toner cartridge. Replace the PCU PWB. Check the connector and the harness between the PCU PWB and the toner cartridge.
Code: F2-75
Description:
Toner cartridge CRUM error (C)
Causes:
Toner cartridge (CRUM) trouble. PCU PWB trouble. Connector and harness trouble between PCU PWB and toner cartridge
Remedy:
Replace the toner cartridge. Replace the PCU PWB. Check the connector and the harness between the PCU PWB and the toner cartridge.

Code: F2-76
Description:
Toner cartridge CRUM error (M)
Causes:
Toner cartridge (CRUM) trouble. PCU PWB trouble. Connector and harness trouble between PCU PWB and toner cartridge
Remedy:
Replace the toner cartridge. Replace the PCU PWB. Check the connector and the harness between the PCU PWB and the toner cartridge.
Code: F2-77
Description:
Toner cartridge CRUM error (Y)
Causes:
Toner cartridge (CRUM) trouble. PCU PWB trouble. Connector and harness trouble between PCU PWB and toner cartridge
Remedy:
Replace the toner cartridge. Replace the PCU PWB. Check the connector and the harness between the PCU PWB and the toner cartridge.
Code: F2-78
Description:
Registration/BK image density sensor trouble (Transfer belt substrate reflection rate abnormality)
Causes:
Image density (registration) sensor trouble (Sensor sensitivity adjustment trouble). PCU PWB trouble. Image density (resist) sensor connector and harness connection trouble Image density (registration) sensor dirt. Transfer belt dirt, scratch.
Remedy:
Replace the image density (registration) sensor. Replace the PCU PWB. Check connection of the connector and the harness of the image density (resist) sensor. Clean the image density (registration) sensor. Clean or replace the transfer belt.
Code: F2-91
Description:
High density process control high voltage error (K)
For the production process (Not occur in the market.)
Causes:
Remedy:
Code: F2-92
Description:
High density process control high voltage error (C)
For the production process (Not occur in the market.)
Causes:
Remedy:
Code: F2-93
Description:
High density process control high voltage error (M)
For the production process (Not occur in the market.)
Causes:
Remedy:
Code: F2-94
Description:
High density process control high voltage error (Y)
For the production process (Not occur in the market.)
Causes:
Remedy:
Code: F3-12
Description:
Paper feed tray 1 lift operation trouble
Causes:
LUD1 is not turned ON within the specified time. CLUD1 sensor trouble. Paper feed tray 1 lift unit trouble. PCU PWB trouble. Sensor harness and connector connection trouble
Remedy:
Check connection of the harness and the connector of LUD1. Replace the lift-up unit. Replace the PCU PWB.

Code: F3-22
Description:
Paper feed tray 2 lift operation trouble
LUD2 does not turn ON within the specified time.
Causes:
LUD2 does not turn ON within the specified time. CLUD2 sensor trouble. Paper feed tray 2 lift unit trouble. PCU PWB trouble. Sensor harness and connector connection trouble
Remedy:
Check the harness and the connector of LUD2. Replace the lift-up unit. Replace the PCU PWB.
Code: F6-00
Description:
MFPC PWB - FAX communication trouble
MFP - FAX communication establishment error / Framing / Parity / Protocol error
Causes:
FAX control PWB trouble FAX control PWB - MFPC PWB connector and harness trouble FAX control PWB - Mother board connector and harness trouble FAX control PWB ROM trouble / ROM pin breakage
Remedy:
Replace the FAX control PWB. Check the connector and the harness between the FAX control PWB and the MFPC PWB. Check the connector and the harness between the FAX control PWB and the mother board. Check the ROM of the FAX control PWB.
Code: F6-01
Description:
FAX control PWB EEPROM read/write error
FAX control PWB EEPROM access error (Read and write)
Causes:
FAX control PWB EEPROM trouble FAX control PWB EEPROM access circuit trouble
Remedy:
Check that no trouble occurs after replacement of EEPROM. Execute the memory check of SIM66-3 to insure that EEPROM can be accessed. Replace the FAX control PWB.
Code: F6-04
Description:
FAX MODEM operation trouble
FAX control PWB MODEM chip operation trouble
Causes:
FAX MODEM chip operation trouble The FAX MODEM chip cannot be accessed
Remedy:
Replace the FAX control PWB. Replace the FAX control PWB.
Code: F6-21
Description:
Improper combination of TEL/LIU PWB and FAX soft switch
Incompatibility between the TEL/LIU PWB and the FAX control PWB information (soft switch)
Causes:
The destination of the TEL/LIU PWB installed is improper. TEL/LIU PWB trouble.
Remedy:
Check the destination of the TEL/LIU PWB. Replace the TEL/LIU PWB.PWB.
Code: F6-30
Description:
FAX 1-chip microprocessor access error (FAX detection)
FAX 1-chip microprocessor access error (Read and write)
Causes:
Program writing trouble to the 1-chip microprocessor, or no program data written. FAX 1-chip microprocessor circuit trouble.
Remedy:
Use SIM66-42 to rewrite the 1-chip microprocessor program. Replace the FAX control PWB.
Code: F6-97
Description:
Incompatibility between FAX control PWB and the main machine
Causes:
The FAX control PWB installed is improper. FAX control PWB trouble.
Remedy:
Install a proper FAX control PWB. Replace the FAX control PWB.
Code: F6-98
Description:
Incompatibility between the FAX control PWB destination and the main machine destination
Causes:
Incompatibility between the destination information written into the FAX control PWB EEPROM and that in the main machine (set with SIM26-6)
Remedy:
1) Check the destination of the FAX control PWB. 2) Check the destination of the machine. (SIM26-6)
Code: F9-91
Description:
Communication error between MFP and the printer section when booting
Booting of the printer section cannot be recognized when booting.
Causes:
MFPC (section) PWB trouble. Printer (section) PWB trouble. Printer flash ROM trouble. MFPC (section) PWB - printer (section) PWB connection trouble.
Remedy:
Replace the MFPC (section) PWB. Replace the printer (section) PWB. Replace the printer flash ROM. Check connection between the MFPC (section) PWB and the printer (section) PWB.
Code: F9-92
Description:
Printer (section) PWB hardware error
Printer (section) PWB
Causes:
Printer PWB trouble Font ROM contact trouble or error DIMM memory contact trouble or error
Remedy:
Replace the printer PWB. Check the font ROM socket. Check the DIMM memory socket. Check the font ROM. Replace the DIMM memory.
Code: H2-00
Description:
Thermistor open trouble (TH_UM_AD2)
Causes:
Thermistor trouble PCU PWB trouble Thermistor connector and harness connection trouble Fusing section connector connection trouble Fusing unit not installed
Remedy:
Use SIM44-14 to check the state of the thermistor. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Check the connector in the fusing section.
Code: H2-01
Description:
Thermistor open trouble (TH_LM)
Causes:
Thermistor trouble PCU PWB trouble Thermistor connector and harness connection trouble Fusing section connector connection trouble Fusing unit not installed
Remedy:
Use SIM44-14 to check the state of the thermistor. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Check the connector in the fusing section.
Code: H2-02
Description:
Thermistor open trouble (TH_US)
Causes:
Thermistor trouble PCU PWB trouble Thermistor connector and harness connection trouble Fusing section connector connection trouble Fusing unit not installed
Remedy:
Use SIM44-14 to check the state of the thermistor. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Check the connector in the fusing section.
Code: H2-03
Description:
Thermistor open trouble (TH_UM_AD1)
Causes:
Thermistor trouble PCU PWB trouble Thermistor connector and harness connection trouble Fusing section connector connection trouble Fusing unit not installed
Remedy:
Use SIM44-14 to check the state of the thermistor. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Check the connector in the fusing section.
Code: H3-00
Description:
Fusing section high temperature trouble (TH_UM)
Causes:
The fusing temperature exceeds the specified level. Thermistor trouble PCU PWB trouble Thermistor connector and harness connection trouble HL control PWB trouble
Remedy:
Use SIM44-14 to check the state of the thermistor. Use SIM5-2 to check the flashing operation of the heater lamp. Use SIM14 to cancel the trouble. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Replace the HL control PWB.
Code: H3-01
Description:
Fusing section high temperature trouble (TH_LM)
Causes:
The fusing temperature exceeds the specified level. Thermistor trouble PCU PWB trouble Thermistor connector and harness connection trouble HL control PWB trouble
Remedy:
Use SIM44-14 to check the state of the thermistor. Use SIM5-2 to check the flashing operation of the heater lamp. Use SIM14 to cancel the trouble. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Replace the HL control PWB.
Code: H3-02
Description:
Fusing section high temperature trouble (TH_US)
Causes:
The fusing temperature exceeds the specified level. Thermistor trouble PCU PWB trouble Thermistor connector and harness connection trouble HL control PWB trouble
Remedy:
Use SIM44-14 to check the state of the thermistor. Use SIM5-2 to check the flashing operation of the heater lamp. Use SIM14 to cancel the trouble. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Replace the HL control PWB.
Code: H4-00
Description:
Fusing section low temperature trouble (TH_UM_AD2)
The fusing temperature does not reach the specified level within the specified time from turning ON the power relay.
Causes:
Thermistor trouble. Heater lamp trouble. PCU PWB trouble. Thermostat trouble. Connector, harness connection trouble. HL control PWB trouble. Power unit trouble.
Remedy:
Use SIM14 to cancel the trouble. Use SIM44-14 to check the state of the thermistor. Use SIM5-2 to check the flashing operation of the heater lamp. Replace the thermistor. Replace the heater lamp. Replace the PCU PWB. Replace the thermostat. Check connection of the connector and the harness. Replace the HL control PWB. Replace the power unit.
Code: H4-01
Description:
Fusing section low temperature trouble (TH_LM)
The fusing temperature does not reach the specified level within the specified time from turning ON the power relay.
Causes:
Thermistor trouble. Heater lamp trouble. PCU PWB trouble. Thermostat trouble. Connector, harness connection trouble. HL control PWB trouble. Power unit trouble.
Remedy:
Use SIM14 to cancel the trouble. Use SIM44-14 to check the state of the thermistor. Use SIM5-2 to check the flashing operation of the heater lamp. Replace the thermistor. Replace the heater lamp. Replace the PCU PWB. Replace the thermostat. Check connection of the connector and the harness. Replace the HL control PWB. Replace the power unit.
Code: H4-02
Description:
Fusing section low temperature trouble (TH_US)
The fusing temperature does not reach the specified level within the specified time from turning ON the power relay.
Causes:
Thermistor trouble. Heater lamp trouble. PCU PWB trouble. Thermostat trouble. Connector, harness connection trouble. HL control PWB trouble. Power unit trouble.
Remedy:
Use SIM14 to cancel the trouble. Use SIM44-14 to check the state of the thermistor. Use SIM5-2 to check the flashing operation of the heater lamp. Replace the thermistor. Replace the heater lamp. Replace the PCU PWB. Replace the thermostat. Check connection of the connector and the harness. Replace the HL control PWB. Replace the power unit.
Code: H5-01
Description:
5 times continuous POD1 not-reach jam
Causes:
A fusing jam is not canceled completely. (A jam paper remains.) POD1 sensor trouble Fusing unit installation trouble POD1 sensor connector and harness connection trouble PCU PWB trouble Fusing unit, drive section trouble
Remedy:
Replace the POD1 sensor. Check installation of the fusing unit. Replace the fusing unit. Check or repair the fusing drive section. Check connection of the POD1 sensor connector and the harness. Replace the PCU PWB. Use SIM14 to cancel the trouble.
Code: H7-10
Description:
Recovery error from low fuser temp. (TH_UM_AD2)
The fusing temperature does not reach the specified level within the specified time from stopping a job due to fall in the fusing temperature.
Causes:
Thermistor trouble. Heater lamp trouble. PCU PWB trouble. Thermostat trouble. Connector, harness connection trouble. HL control PWB trouble. Power unit trouble.
Remedy:
Replace the thermistor. Replace the heater lamp. Replace the PCU PWB. Replace the thermostat. Check connection of the connector and the harness. Replace the HL control PWB. Replace the power unit. Use SIM5-2 to check the flashing operation of the heater lamp.

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