• Code: F1-15
• Description: Finisher paper exit tray lift operation trouble
• Causes: Paper exit tray lift motor trouble. Finisher control PWB trouble.
• Remedy: Use SIM3-3 to check the operation of the paper exit tray lift motor. Replace the finisher control PWB. Replace the paper exit tray lift motor.

• Code: F1-19
• Description: Finisher alignment operation trouble F
• Causes: Finisher paper alignment motor lock. Motor speed abnormality. Overcurrent to the motor. Finisher control PWB trouble.
• Remedy: Use SIM3-3 to check the operation of the paper alignment motor F. Replace the finisher control PWB. Replace the paper alignment motor F.

• Code: F1-20
• Description: Finisher alignment operation trouble R
• Causes: Finisher paper alignment motor lock. Motor speed abnormality. Overcurrent to the motor. Finisher control PWB trouble.
• Remedy: Use SIM3-3 to check the operation of the paper alignment motor R. Replace the finisher control PWB. Replace the paper alignment motor R.

• 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: F1-29
• Description: Finisher PWB fan trouble
• Causes: Finisher PWB fan lock. Finisher control PWB trouble. Connection trouble of the connector and the harness.
• Remedy: Use SIM 3-3 to check the operation of the control PWB cooling fan (FBCF). Replace the finisher PWB fan. Replace the finisher control PWB. Connection trouble of the connector and the harness.

• 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: F1-50
• 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: F2-11
• Description: Developing unit initial detection (K)
• Causes: The initial detection fuse is not blown off though it is conducted for the specified time. (K) Developing unit trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
• Remedy: Use SIM6-51 to check the operation of the [DVCRU K] fuse blowing circuit. Use SIM30-1 to check the [DVCRU K] initial detection input signal. Replace the developing unit. Replace the PCU PWB. Check connection of the connector and the harness.