• Code: F1-09
• Description: Staple diagonal motor trouble
  Finisher stapler unit diagonal shift motor abnormality
• Causes: Motor lock, motor harness short/open, control PWB trouble, home position sensor trouble, connection harness / connector connection trouble
• Remedy: Use Sim. 3-3 to check the operation of the stapler diagonal motor. Check connection from the control PWB to the motor. Replace the control PWB and the sensor part.

• Code: F1-10
• Description: Staple operation trouble (FFSM)
• Causes: Staple motor trouble. Finisher control PWB trouble. Home position sensor 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. Replace the staple motor. Check connection of the connector and the harness. Replace the home position sensor. Replace the finisher control PWB.

• Code: F1-11
• Description: Finisher bundle exit motor trouble
  Abnormality of the discharge motor for staple bundle discharge of the finisher
• Causes: Motor lock, motor harness short/open, control PWB trouble, home position sensor trouble, connection harness / connector connection trouble
• Remedy: Use Sim. 3-3 to check the operation of the discharge motor. Check connection from the control PWB to the motor. Replace the control PWB and the sensor part.

• Code: F1-13
• Description: Paper exit guide plate open /close motor trouble
  Abnormality of the paper exit port open / close motor in the shift tray paper exit section of the finisher
• Causes: Motor lock, motor harness short / open, control PWB trouble, home position sensor trouble, connection harness/connector connection trouble.
• Remedy: Use Sim. 3-3 to check the operation of the paper exit port open/close motor. Check connection from the control PWB to the motor. Replace the control PWB and the sensor part.

• Code: F1-15
• Description: Finisher paper exit tray lift operation trouble (FTLM)
  Lift motor trouble.
• Causes: Paper exit tray lift motor trouble. Finisher control PWB trouble. Home position sensor trouble.
• Remedy: Use SIM3-3 to check the operation of the paper exit tray lift motor. Use SIM3-2 to check the operation of the home position sensor. Replace the finisher control PWB. Replace the paper exit tray lift motor. Replace the home position sensor.

• Code: F1-23
• Description: Bundle branch open/close motor trouble
• Causes: Motor lock trouble. Control PWB trouble. Home position sensor trouble. Connection harness/connector connection trouble.
• Remedy: Check the operation of the bundle paper exit motor with SIM3-3. Check connection from the control PWB to the motor. Replace the control PWB.

• Code: F1-31
• Description: Finisher saddle motor trouble (Saddle stitch finisher) (FSFOM)
• 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: F1-33
• Description: Punch unit shift operation trouble (FPSM)
• 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.