Code :

Code: F1-21
Description: Finisher fan trouble
Causes: Finisher fan motor trouble. Finisher control PWB trouble. Harness and connector connection trouble.
Remedy: Use SIM3-3 to check the operation of the fan motor. Check connection between the finisher control PWB and the fan. Replace the fan. Replace the finisher control PWB.

Code: F1-22
Description: Finisher assist motor trouble
Causes: Motor harness short/open trouble. Control PWB trouble. Connection harness/connector connection trouble
Remedy: Check the operation of the rear edge assist motor with SIM3-3. Check connection from the control PWB to the motor. Replace the control PWB.

Code: F1-23
Description: Finisher shutter trouble
Causes: Motor lock trouble. Control PWB trouble, home position sensor trouble. Connection harness/connector connection trouble.
Remedy: Check the operation of the rear edge assist motor with SIM3-3. Check connection from the control PWB to the motor. Replace the control PWB.

Code: F1-31
Description: Saddle paper folding trouble
Causes: Saddle paper folding motor trouble. Saddle paper folding mechanism trouble. Finisher control PWB trouble. Home position sensor trouble.
Remedy: Check the operation of the saddle motor with SIM3- 3. Check connection from the control PWB to the motor. Replace the control PWB. Replace the sensor.

Code: F1-32
Description: Finisher - Punch unit communication error
Causes: Connector/harness connection trouble or disconnection between the finisher and the punch unit. Finisher control PWB trouble. PCU PWB trouble. Malfunction due to noises. The punch unit is in the adjustment mode.
Remedy: Check the connector and the harness between the finisher and the punch unit. Replace the finisher control PWB. Replace the PCU PWB. Cancel the adjustment mode of the punch unit.

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. 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: Check the punch operation. 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.