• Code: E7-10
• Description: Shading trouble (black correction)
  CCD black reference plate scan level abnormality when the copy lamp turns off.
• Causes: Flat cable installation failure to CCD unit CCD unit error
• Remedy: Check flat cable installation to the CCD unit. Check CCD unit.

• Code: E7-11
• Description: Shading trouble (white correction)
  Improper CCD white reference plate reading level for copy lamp lighting
• Causes: Flat cable installation failure to CCD unit "Dirt on the mirror, lens, and reference white plate" Copy lamp operation error CCD unit abnormality MCU PWB abnormality (Occurred in the SPF scan position.)
• Remedy: Clean the mirror, the lens, and the reference white plate. Check the copy lamp light quantity and its operation. (SIM 5-3) Check CCD unit. Check MCU PWB.

• Code: E7-12
• Description: Shading trouble
  White correction is not completed in the specified number of times.
• Causes: Flat cable installation failure to CCD unit "Dirt on the mirror, lens, and reference white plate" Copy lamp lighting trouble CCD unit abnormality MCU PWB abnormality
• Remedy: Clean the mirror, the lens, and the reference white plate. Check the copy lamp light quantity and its operation. (SIM 5-3) Check CCD unit. Check MCU PWB.

• Code: EE-EL
• Description: Developer adjustment trouble (Over-toned abnormality)
  An abnormality occurred in execution of automatic developer adjustment. Sample data was detected over-toner.
• Causes: Toner concentration sensor abnormality Toner concentration trouble Developing unit trouble MCU PWB failure
• Remedy: Use SIM 25-2 to perform the auto developer adjustment.

• Code: EE-EU
• Description: Developer adjustment trouble (Undertoned abnormality)
  An abnormality occurred in execution of automatic developer adjustment. Sample data was detected under-toner.
• Causes: Toner concentration sensor abnormality Toner concentration trouble Developing unit trouble MCU PWB failure
• Remedy: Use SIM 25-2 to perform the auto developer adjustment.

• Code: F1-00
• Description: Finisher communication trouble
  Communication line test error occurs when power is turned on or after the exit of a simulation mode. Error in Finisher communication
• Causes: Connection trouble or disconnection of the connector and harness between the body and the finisher. Finisher control PWB trouble Control PWB failure Malfunction by noises
• Remedy: Canceled by turning OFF/ON the power. Check the connectors and the harness of communication line. Replace the finisher control PWB.

• Code: F1-01
• Description: Side guide plated home position error
  The side guide plate cannot return to the home position.
• Causes: Side guide plate drive motor abnormality Side guide plate home position sensor abnormality Finisher PWB abnormality
• Remedy: Use SIM3-3-1 to check the side guide plate motor operation.

• Code: F1-03
• Description: Paddle motor trouble (AR-F14N)
  Paddle motor operation abnormality
• Causes: Motor lock. Motor rpm abnormality. Overcurrent to the motor. Finisher control PWB trouble.
• Remedy: Use SIM3-3-10 to check the paddle motor operation