• Code: F1-08
• Description: Staple motor error
  The staple motor cannot return to the home position.
• Causes: Staple motor abnormality Staple motor home position sensor abnormality Staple unit abnormality Finisher PWB abnormality
• Remedy: Use SIM 3-3-7 to check the staple motor operation.

• Code: F1-11
• Description: Rear edge plate home position error
  The rear edge plate cannot return to the home position.
• Causes: Rear edge plate drive motor abnormality Side guide plate home position sensor abnormality Finisher PWB abnormality
• Remedy: Use SIM 3-3-2 to check the rear edge plate motor operation.

• Code: F1-15
• Description: Finisher lift-up motor trouble
  The finisher lift-up motor does not reach the specified position.
• Causes: Lift-up motor abnormality Lift-up motor upper limit sensor abnormality Finisher PWB abnormality
• Remedy: Use SIM 3-3-5 to check the lift-up 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: F5-02
• Description: Copy lamp lighting abnormality
  The copy lamp does not light up.
• Causes: Copy lamp error Copy lamp harness abnormality CCD PWB harness abnormality
• Remedy: Check the copy lamp (SIM 5-3) When the lamp lights: Check the harnesses and connectors between the CCD unit and the MCU PWB. When the lamp does not light: Check the harness and connector between the copy lamp and the MCU PWB. Replace the copy lamp unit. Replace the MCU PWB. Remarks Copy lamp disconnection Cable is not attached.

• Code: F6-00
• Description: MCU-FAX communication trouble
  Communication establishment error/ framing/parity/protocol error
• Causes: FAX control PWB connector disconnection Defective harness between FAX control PWB and MCU PWB Motherboard connector pin breakage FAX control PWB ROM error/Data error
• Remedy: Check connector/harness of FAX control PWB and MCU PWB. Check the grounding of the copier. Check FAX control PWB ROM.

• Code: F6-10
• Description: FAX control PWB trouble
  Communication trouble between MCU and FAX control PWB
• Causes: FAX control PWB connector disconnection Defective harness between FAX control PWB and MCU PWB Motherboard connector pin breakage FAX control PWB ROM error/Data error IC on FAX PWB causes abnormality
• Remedy: Check connector/harness of FAX control PWB and MCU PWB. Check the grounding of the copier. Check FAX control PWB ROM. Replace the FAX PWB.