• Code: F1-67
• Description: No. 2 lift motor trouble
• Causes: Motor lock, control PWB trouble, home position sensor breakdown, connection harness / connector connection trouble.
• Remedy: Use Sim. 3-31 to check the operation of the No. 2 lift motor. Check connection from the control PWB to the motor. Replace the control PWB and the sensor part.

• Code: F1-90
• Description: Communication trouble between decurler and downstream unit
• Causes: Noise on the communication line, control PWB trouble, disconnection of connector or harness.
• Remedy: Turn OFF/ON the power. Check connection of the connector between the decurler unit and the downstream units of the decurler. Replace the control PWB of the downstream units of the decurler.

• Code: F1-96
• Description: Decurler transport motor trouble
• Causes: Motor driver IC overcurrent detection, overheat detection.
• Remedy: Use SIM3-51 to check the operation of the decurler transport motor. Replace the control PWB.

• Code: F1-97
• Description: Decurler unit fan 1 trouble
• Causes: Motor lock, motor harness short/open, control PWB trouble, disconnection of harness or connector.
• Remedy: Use SIM3-51 to check the operation of the decurler unit fan 1 (Upper cooling fan). Check connection from the control PWB to the fan motor. Replace the control PWB. Replace the fan motor.

• Code: F1-98
• Description: Decurler unit fan 2 trouble
• Causes: Motor lock, motor harness short/open, control PWB trouble, disconnection of harness or connector.
• Remedy: Use SIM3-51 to check the operation of the decurler unit fan 2 (Lower cooling fan). Check connection from the control PWB to the fan motor. Replace the control PWB. Replace the fan motor.

• Code: F1-99
• Description: Decurler unit fan 3 trouble
• Causes: Motor lock, motor harness short/open, control PWB trouble, disconnection of harness or connector.
• Remedy: Use SIM3-51 to check the operation of the decurler unit fan 3 (Transport motor cooling fan). Check connection from the control PWB to the fan motor. Replace the control PWB. Replace the fan motor.

• 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 lighting of the discharge lamp (K) [DL_K]. Check the discharge lamp PWB (K). Check the harness and the connector. Replace the PCU PWB.

• Code: F2-39
• Description: Process temperature sensor trouble
• Causes: Temperature/humidity sensor trouble. Room temperature/ 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.