• Code: F1-39
• Description: Punch dust sensor trouble
  Punch dust sensor detection trouble
• Causes: Sensor breakage. harness breakage. Finisher control PWB trouble.
• Remedy: Use SIM3-2 to check the punch dust sensor operation

• Code: F1-40
• Description: Punch power trouble
  Panch unit power discontinuity detection
• Causes: Punch control PWB defect
• Remedy: Replace the punch control PWB

• Code: F1-50
• Description: Finisher incompatibility error
  Speed does not coincide between finisher and main unit
• Causes: AR-FN5N/F14 is connected to 31 sheet model
• Remedy: Connect AR-FN5A. Connect AR-F14N.

• Code: F1-53
• Description: Interface transport unit connection trouble
  Interface transport unit connector disconnection
• Causes: Improper connection of connector between the finisher and the interface transport unit
• Remedy: Check the interface transport unit connector.

• Code: F1-81
• Description: Transport motor trouble
  Transport motor trouble
• Causes: Motor lock. Motor rpm abnormality. Overcurrent to the motor. Finisher control PWB trouble.
• Remedy: Use SIM3-3-11 to check the front transport motor operation

• Code: F2-02
• Description: Toner supply failure
  The value judged from the actual toner supply hysteresis differs greatly from the toner sensor value.
• Causes: Developing unit trouble Toner supply abnormality caused by installation of unpacked toner cartridge
• Remedy: Replace the developing unit. Use SIM 25-1 to perform DV stirring.

• Code: F2-04
• Description: Identification error
  Identification error When the CRUM trademark differs. When the CRUM company code differs.
• Causes: CRUM chip failure Erroneous developing unit
• Remedy: Replace the CRUM chip. Replace the developing unit.

• Code: F2-58
• Description: Temperature humidity sensor abnormality
• Causes: Temperature humidity sensor connector disconnection. Short-circuit of the temperature humidity sensor was detected.
• Remedy: Check the connection of temperature humidity sensor. Replace the temperature humidity sensor.