Code: F1-02
Description:
Inlet transport motor trouble (1K FIN)
Causes:
Connection trouble of the connector and the harness. Finisher inlet transport motor trouble. Finisher control PWB trouble.
Remedy:
Use SIM3-3 to check the operation of the finisher inlet transfer motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the inlet transfer motor. Replace the Finisher control PWB.
Code: F1-03
Description:
Swinging motor trouble (3K FIN)
Causes:
Connection trouble of the connector and the harness. Finisher swinging motor trouble Home position sensor trouble Finisher control PWB trouble
Remedy:
Use SIM3-3 to check the operation of the finisher swinging motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the finisher swinging motor. Replace the home position sensor Replace the finisher control PWB

Code: F1-04
Description:
Finisher paddle trouble
Causes:
motor trouble. Finisher control PWB trouble. Home position sensor trouble. Connection trouble of the connector and the harness.
Remedy:
Use SIM3-3 to check the operation of the finisher paddle motor. Check connection of the connector and the harness. Replace the finisher control PWB. Replace the finisher paddle motor. Replace the harness.
Code: F1-04
Description:
Finisher paddle trouble (3K FIN)
Causes:
motor trouble. Clutch trouble. Finisher control PWB trouble. Connection trouble of the connector and the harness. Home position sensor trouble
Remedy:
Use SIM3-3 to check the operation of the finisher exit motor. Use SIM3-3 to check the operation of the paddle drive clutch. Check connection of the connector and the harness. Replace the finisher control PWB. Replace the finisher exit motor. Replace the paddle drive clutch. Replace the paddle hp sensor. Replace the harness.
Code: F1-05
Description:
Return belt motor trouble (INF)
Causes:
Connection trouble of the connector and the harness. Return belt motor trouble. Home position sensor trouble. Finisher control PWB trouble.
Remedy:
Use SIM3-3 to check the operation of the finisher return belt motor. Use SIM3-2 to check the operation of the home position sensor. Replace the finisher return belt motor. Check connection of the connector and the harness. Replace the finisher control PWB.
Code: F1-06
Description:
Paper exit transport/Tapping-Gathering roller motor trouble (1K FIN)
Causes:
Connection trouble of the connector and the harness. Paper exit transport/Tapping-Gathering roller motor trouble. Finisher control PWB trouble.
Remedy:
Use SIM3-3 to check the operation of the paper exit transport/Tapping-Gathering roller motor. Check connection of the connector and the harness. Replace the Paper exit transport/Tapping-Gathering roller motor. Replace the finisher control PWB.
Code: F1-08
Description:
Stapler shift motor trouble
Causes:
Connection trouble of the connector and the harness. Finisher stapler shift motor trouble. Home position sensor trouble. Finisher control PWB trouble.
Remedy:
Use SIM3-3 to check the operation of the stapler shift motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the stapler shift motor. Replace the home position sensor. Replace the finisher control PWB.
Code: F1-10
Description:
Staple motor trouble
Causes:
Connection trouble of the connector and the harness. Staple motor trouble. Home position sensor trouble. Finisher control PWB trouble.
Remedy:
Use SIM3-3 to check the operation of the staple motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the staple motor. Replace the home position sensor. Replace the finisher control PWB.
Code: F1-11
Description:
Finisher bundle exit motor trouble (1K FIN)
Causes:
Connection trouble of the connector and the harness. Finisher bundle exit motor trouble. Home position sensor trouble. Finisher control PWB trouble.
Remedy:
Use SIM3-3 to check the operation of finisher bundle exit motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the finisher bundle exit motor. Replace the home position sensor. Replace the finisher control PWB.
Code: F1-12
Description:
Proof transport motor trouble (1K FIN)
Causes:
Motor driver detects the abnormality. (DC motor control trouble) (First time is jam detection, Second time is trouble detection)
Remedy:
Use SIM3-3 to check the operation of the proof transport motor. Check connection of the connector and the harness. Replace the proof transport motor. Replace the finisher control PWB.

Code: F1-13
Description:
Paper exit guide plate switching motor trouble (1K FIN)
Causes:
Connection trouble of the connector and the harness. Paper exit guide plate switching motor trouble. Home position sensor trouble. Finisher control PWB trouble.
Remedy:
Use SIM3-3 to check the operation of the paper exit guide plate switching motor. Use SIM3-2 to check the operation of the home position sensor Check connection of the connector and the harness Replace the paper exit guide plate switching motor Replace the home position sensor Replace the finisher control PWB
Code: F1-14
Description:
Rear paper edge flap motor trouble (3K FIN)
Causes:
motor trouble. Finisher control PWB trouble. Connection trouble of the connector and the harness. Home position sensor trouble
Remedy:
Use SIM3-3 to check the operation of the finisher rear paper edge flap motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the finisher control PWB. Replace the finisher rear paper edge flap motor. Replace the home position sensor. Replace the harness.
Code: F1-15
Description:
Finisher tray lift motor trouble
Causes:
Connection trouble of the connector and the harness. tray lift motor trouble. Finisher control PWB trouble. Home position sensor trouble
Remedy:
Use SIM3-3 to check the operation of the tray lift motor. Use SIM3-2 to check the operation of the home position sensor. Replace the finisher control PWB. Replace the tray lift motor. Replace the home position sensor.
Code: F1-15
Description:
Finisher tray lift motor trouble (3K FIN)
Causes:
Motor lock. Control PWB trouble. Disconnection of harness. Connector connection trouble. Area sensor trouble. Paper exit paper surface detection sensor trouble. Stapler safety switch trouble
Remedy:
Use SIM3-3 to check the operation of the movable tray motor Check the harness and the connector connection from the control PWB to the motor and the sensor Replace the stacker control PWB Replace the movable tray motor Replace the following area sensors. - Loading tray upper limit sensor - Loading tray home position sensor - Loading tray full load sensor (Large coat paper full) - Loading tray middle sensor (Large size full load) - Loading tray lower limit sensor Small size full load) Replace the paper exit paper surface detection sensor 1 Replace the stapler safety switch Replace the harness from the control PWB to the motor and the sensor
Code: F1-16
Description:
Escape/Saddle transport switching flapper motor trouble (3K FIN)
Causes:
Motor lock. Control PWB trouble. Disconnection of harness. Connector connection trouble. Home position sensor trouble.
Remedy:
Use SIM3-3 to check the operation of the escape/ saddle transport switching flapper motor. Check the harness and the connector connection from the control PWB to the motor and the sensor. Replace the stacker control PWB. Replace the escape/saddle transport switching flapper motor. Replace the home position sensor. Replace the harness.
Code: F1-18
Description:
Finisher paper bundle hold trouble (INF)
Causes:
Check connection from the control PWB to the motor and the sensor. Paddle motor trouble. Home position sensor trouble. Finisher control PWB trouble.
Remedy:
Use SIM3-3 to check the operation of the paddle motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the paddle motor. Replace the home position sensor. Replace the finisher control PWB.
Code: F1-19
Description:
Front alignment motor trouble
Causes:
Connection trouble of the connector and the harness. Finisher paper alignment motor F trouble Home position sensor trouble Finisher control PWB trouble
Remedy:
Use SIM3-3 to check the operation of the finisher paper alignment motor F. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the finisher paper alignment motor F. Replace the home position sensor. Replace the finisher control PWB.
Code: F1-20
Description:
Rear alignment motor trouble
Causes:
Connection trouble of the connector and the harness. Finisher paper alignment motor R trouble Home position sensor trouble Finisher control PWB trouble
Remedy:
Use SIM3-3 to check the operation of the finisher paper alignment motor R. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the finisher paper alignment motor R. Replace the home position sensor. Replace the finisher control PWB.

Code: F1-21
Description:
Finisher fan trouble
Causes:
Connection trouble of the connector and the harness. Internal paper pass unit FAN motor trouble. Finisher control PWB trouble.
Remedy:
Use SIM3-3 to check the operation of the fan. Check the finisher fan, and replace if necessary. Check the finisher control PWB, and replace if necessary. Check the connector/harness, and replace if necessary.
Code: F1-22
Description:
Finisher assist motor trouble (INF/ 3K FIN)
Causes:
Connection trouble of the connector and the harness. Finisher assist motor trouble Home position sensor trouble Finisher control PWB trouble
Remedy:
Use SIM3-3 to check the operation of the finisher assist motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the finisher assist motor. Replace the home position sensor. Replace the finisher control PWB.
Code: F1-23
Description:
Safety switch trouble
Causes:
control PWB trouble connection trouble of harness connection trouble of connector safety switch trouble front door switch trouble front door sensor trouble
Remedy:
Check connection between the control PWB and sensor Replace the control PWB Replace safety switch Replace front door switch Replace front door sensor
Code: F1-28
Description:
Flap motor trouble (1K FIN)
Causes:
Connection trouble of the connector and the harness. Flap motor trouble Home position sensor trouble Finisher control PWB trouble
Remedy:
Use SIM3-3 to check the operation of the flap motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the flap motor. Replace the home position sensor. Replace the finisher control PWB.
Code: F1-28
Description:
Drawing lift motor trouble (3K FIN)
Causes:
Motor lock. Control PWB trouble. Disconnection of harness. Connector connection trouble. Home position sensor trouble.
Remedy:
Use SIM3-3 to check the operation of the drawing lift motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the drawing lift motor. Replace the home position sensor. Replace the finisher control PWB.
Code: F1-29
Description:
Fuse break detection trouble (1K FIN)
Causes:
Over current (PWB breakage, harness short-circuit, solenoid trouble)
Remedy:
Use SIM3-3 to check the operation of the each motor and the solenoid. Use SIM3-2 to check the operation of the each sensor. Check connection of the connector and the harness. Replace each motor. Replace the finisher control PWB.
Code: F1-30
Description:
Communication trouble between the finisher and the saddle (3K FIN)
Causes:
Control PWB trouble. Disconnection of harness. Connector connection trouble. Firmware of the after-process is not the latest version.
Remedy:
Check the harness and the connector connection from the finisher to the saddle. Replace the stacker control PWB. Replace the saddle control PWB. Replace the harness from the finisher to the saddle. Upgrade the firm wares of the master software and the saddle software.
Code: F1-31
Description:
Finisher saddle motor trouble (1K FIN)
Causes:
Connection trouble of the connector and the harness. Saddle motor trouble. Finisher control PWB trouble
Remedy:
Use SIM3-3 to check the operation of the saddle motor. Check connection of the connector and the harness. Replace the saddle motor. Replace the finisher control PWB.

Code: F1-31
Description:
Paper exit motor trouble (3K FIN)
Causes:
Motor lock. Control PWB trouble. Disconnection of harness. Connector connection trouble. Home position sensor trouble.
Remedy:
Use SIM3-3 to check the operation of the paper exit motor. Check the harness and the connector connection from the control PWB to the motor and the sensor. Replace the saddle control PWB. Replace the paper exit motor. Replace the saddle paper exit clock sensor. Replace the harness.
Code: F1-32
Description:
Communication trouble between the finisher and the punch unit
Causes:
Control PWB trouble. Disconnection of harness. Connector connection trouble. Firmware of the after-process is not the latest version.
Remedy:
Check connection of the connector and the harness. Replace the finisher control PWB. Replace the punch unit control PWB. Replace the harness.
Code: F1-33
Description:
Finisher punch shift motor trouble (1K FIN)
Causes:
Connection trouble of the connector and the harness. Finisher punch shift motor trouble Home position sensor trouble Finisher control PWB trouble
Remedy:
Use SIM3-3 to check the operation of the finisher punch shift motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the finisher punch shift motor. Replace the home position sensor. Replace the finisher control PWB.
Code: F1-33
Description:
Finisher punch side registration motor trouble (3K FIN)
Causes:
Motor lock. Control PWB trouble. Disconnection of harness. Connector connection trouble. Home position sensor trouble.
Remedy:
Use SIM3-3 to check the operation of the punch unit side registration motor. Check the harness and the connector connection from the control PWB to the motor and the sensor. Replace the punch control PWB. Replace the punch unit side registration motor. Replace the punch unit side registration home position sensor. Replace the harness from the control PWB to the motor and the sensor.
Code: F1-34
Description:
Punch motor trouble
Causes:
Punch 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 finisher punch motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the finisher punch motor. Replace the home position sensor. Replace the finisher control PWB.
Code: F1-35
Description:
Side registration detection motor trouble (1K FIN)
Causes:
Connection trouble of the connector and the harness. Side registration detection motor trouble Home position sensor trouble Finisher control PWB trouble
Remedy:
Use SIM3-3 to check the operation of the side registration detection motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the side registration detection motor. Replace the home position sensor. Replace the finisher control PWB.
Code: F1-37
Description:
Finisher PWB backup memory error
Causes:
Finisher control PWB trouble.
Remedy:
Turn OFF/ON the power Replace the finisher control PWB.
Code: F1-38
Description:
Finisher punch unit PWB backup memory error
Causes:
Punch control PWB trouble.
Remedy:
Turn OFF/ON the power Replace the punch control PWB.

Code: F1-41
Description:
Saddle paper positioning motor trouble (1K FIN)
Causes:
Connection trouble of the connector and the harness. Finisher saddle paper positioning motor trouble. Home position sensor trouble. Finisher control PWB trouble
Remedy:
Use SIM3-3 to check the operation of the finisher saddle paper positioning motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the finisher saddle paper positioning motor. Replace the home position sensor. Replace the finisher control PWB.
Code: F1-41
Description:
Saddle paper positioning motor trouble (3K FIN)
Causes:
Motor lock. Control PWB trouble. Disconnection of harness. Connector connection trouble. Home position sensor trouble
Remedy:
Use SIM3-3 to check the operation of the rear edge stopper motor. Check the harness and the connector connection from the control PWB to the motor and the sensor. Replace the saddle control PWB. Replace the rear edge stopper motor. Replace the rear edge stopper home position sensor. Replace the harness from the control PWB to the motor and the sensor.
Code: F1-42
Description:
Switching lever drive motor trouble (3K FIN)
Causes:
Motor lock. Control PWB trouble. Disconnection of harness. Connector connection trouble. Home position sensor trouble
Remedy:
Use SIM3-3 to check the operation of the switching lever drive motor. Check the harness and the connector connection from the control PWB to the motor and the sensor. Replace the saddle control PWB. Replace the switching lever drive motor. Replace the switching lever home position sensor. Replace the harness from the control PWB to the motor and the sensor.
Code: F1-43
Description:
Saddle alignment operation trouble (3K FIN)
Causes:
Motor lock. Control PWB trouble. Disconnection of harness. Connector connection trouble. Home position sensor trouble.
Remedy:
Use SIM3-3 to check the operation of the saddle alignment motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the saddle alignment motor. Replace the home position sensor. Replace the finisher control PWB.
Code: F1-44
Description:
Gripper motor trouble (3K FIN)
Causes:
Motor lock. Control PWB trouble. Disconnection of harness. Connector connection trouble. Home position sensor trouble.
Remedy:
Use SIM3-3 to check the operation of the gripper motor. Check the harness and the connector connection from the control PWB to the motor and the sensor. Replace the saddle control PWB. Replace the gripper motor. Replace the saddle gripper motor home position sensor. Replace the harness from the control PWB to the motor and the sensor.
Code: F1-45
Description:
Saddle staple motor trouble (3K FIN)
Causes:
Motor lock. Control PWB trouble. Disconnection of harness. Connector connection trouble. Home position sensor trouble.
Remedy:
Use SIM3-3 to check the operation of the saddle staple motor. Check the harness and the connector connection from the control PWB to the motor and the sensor. Replace the saddle control PWB. Replace the saddle staple motor. Replace the saddle staple drive home position sensor. Replace the harness from the control PWB to the motor and the sensor.
Code: F1-46
Description:
Saddle pushing plate motor trouble (1K FIN)
Causes:
Connection trouble of the connector and the harness. Finisher saddle pushing plate motor trouble. Home position sensor (Folding blade home position) trouble Home position sensor (Folding cam home position) trouble. Finisher control PWB trouble.
Remedy:
Use SIM3-3 to check the operation of the finisher saddle pushing plate motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the finisher saddle pushing plate motor. Replace the home position sensor. Replace the finisher control PWB.
Code: F1-46
Description:
Push and holding motor trouble (3K FIN)
Causes:
Motor lock. Control PWB trouble. Disconnection of harness. Connector connection trouble. Home position sensor, clock sensor trouble.
Remedy:
Use SIM3-3 to check the operation of the push and folding motor. Check the harness and the connector connection from the control PWB to the motor and the sensor. Replace the saddle control PWB. Replace the push and folding motor. Replace the push and folding home position sensor. Replace the saddle folding motor clock sensor. Replace the harness from the control PWB to the motor and the sensor.

Code: F1-47
Description:
Paddle trouble (Saddle section) (3K FIN)
Causes:
Motor lock. Control PWB trouble. Disconnection of harness. Connector connection trouble. Home position sensor trouble.
Remedy:
Use SIM3-3 to check the operation of the saddle paper exit motor. Check the harness and the connector connection from the control PWB to the motor and the sensor. Replace the saddle control PWB. Replace the saddle paper exit motor. Replace the saddle paddle home position sensor. Replace the harness from the control PWB to the motor and the sensor.
Code: F1-48
Description:
Bundle transport upper pressure release/reference fence escape motor trouble (1K FIN)
Causes:
Connection trouble of the connector and the harness. Bundle transport upper pressure release/reference fence escape motor trouble Home position sensor trouble Finisher control PWB trouble
Remedy:
Use SIM3-3 to check the operation of the bundle transport upper pressure release/reference fence escape motor Use SIM3-2 to check the operation of the home position sensor Check connection of the connector and the harness Replace the bundle transport upper pressure release/ reference fence escape motor Replace the home position sensor Replace the finisher control PWB
Code: F1-49
Description:
Bundle transport lower pressure release motor trouble (1K FIN)
Causes:
Connection trouble of the connector and the harness. Bundle transport upper pressure release/reference fence escape motor trouble Home position sensor trouble Finisher control PWB trouble
Remedy:
Use SIM3-3 to check the operation of the bundle transport lower pressure release motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the bundle transport lower pressure release motor. Replace the home position sensor. Replace the finisher control PWB.
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: F1-51
Description:
Communication trouble between the master and the sub software at finisher (3K FIN)
Causes:
Control PWB trouble. Firmware of the finisher is not the latest version.
Remedy:
Upgrade the firmware of the finisher. Replace the finisher control PWB.
Code: F1-53
Description:
Unsupported after-process unit main unit trouble
Causes:
Firmware of the finisher is not the latest version.
Remedy:
Upgrade the firmware of the finisher.
Code: F1-54
Description:
Unset finisher punch unit destination trouble (INF)
Causes:
Incorrect destination setting of the punch unit.
Remedy:
Set the correct destination setting for the punch unit in the service mode.
Code: F1-55
Description:
After-process unit ROM trouble
Causes:
Main firmware trouble. Conflict the main firmware version and the boot version.
Remedy:
Upgrade the firmware of the finisher.

Code: F1-78
Description:
Finisher staple-free staple motor section trouble
Causes:
Motor lock Finisher control PWB trouble Home position, encoder sensor trouble Disconnection of harness or connector
Remedy:
Use SIM3-3 to check the operation of the staple-free staple motor. Check the harness and the connector connection from the control PWB to the motor and the sensor. Replace the stacker control PWB. Replace the staple-free staple unit. Replace the harness from the control PWB to the motor and the sensor.
Code: F1-83
Description:
Guide sub motor trouble (3K FIN)
Causes:
Motor lock. Control PWB trouble. Disconnection of harness. Connector connection trouble. Home position sensor trouble.
Remedy:
Use SIM3-3 to check the operation of the guide sub motor. Check the harness and the connector connection from the control PWB to the motor and the sensor. Replace the stacker control PWB. Replace the guide sub motor. Replace the front tongue-shaped home position senor. Replace the rear tongue-shaped home position senor. Replace the harness from the control PWB to the motor and the sensor.
Code: F1-89
Description:
Shift motor trouble (1K FIN)
Causes:
Connection trouble of the connector and the harness. Shift motor trouble Home position sensor trouble Finisher control PWB trouble
Remedy:
Use SIM3-3 to check the operation of the shift motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the shift motor. Replace the home position sensor. Replace the finisher control PWB.
Code: F2-22
Description:
Discharge lamp trouble (K)
Causes:
Contact trouble between the discharge lamp PWB (K) and the PCU PWB. Discharge lamp PWB (K) trouble. PCU PWB trouble.
Remedy:
Use SIM5-4 to check the operation of the discharge lamp on. Replace the discharge lamp PWB (K). Check the harness and the connector. Replace the PCU PWB.
Code: F2-23
Description:
Discharge lamp trouble (C)
Causes:
Contact trouble between the discharge lamp PWB (C) and the PCU PWB. Discharge lamp PWB (C) trouble. PCU PWB trouble.
Remedy:
Use SIM5-4 to check the operation of the discharge lamp on. Replace the discharge lamp PWB (C). Check the harness and the connector. Replace the PCU PWB.
Code: F2-24
Description:
Discharge lamp trouble (M)
Causes:
Contact trouble between the discharge lamp PWB (M) and the PCU PWB. Discharge lamp PWB (M) trouble. PCU PWB trouble.
Remedy:
Use SIM5-4 to check the operation of the discharge lamp on. Replace the discharge lamp PWB (M). Check the harness and the connector. Replace the PCU PWB.
Code: F2-25
Description:
Discharge lamp trouble (Y)
Causes:
Contact trouble between the discharge lamp PWB (Y) and the PCU PWB. Discharge lamp PWB (Y) trouble. PCU PWB trouble.
Remedy:
Use SIM5-4 to check the operation of the discharge lamp on. Replace the discharge lamp PWB (Y). Check the harness and the connector. Replace the PCU PWB.
Code: F2-39
Description:
Temperature/humidity sensor trouble (Indoor temperature detection trouble)
Causes:
Detection of abnormality by the temperature sensor on internal temperature/ humidity sensor PCU PWB trouble.
Remedy:
Check internal temperature/humidity sensor and check the connection of harness and connector. Check 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:
Image density sensor trouble. Image density sensor harness and PCU PWB connector connection trouble. Image density sensor dirt. Transfer belt cleaning trouble
Remedy:
Use SIM44-6 to execute the process control. Clean the image density sensor. Replace the image density sensor.