• 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.

• 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 the connectors and the 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: Replate the FAX control PWB

• Code: F6-80
• Description: FAX control PWB communication trouble (Protocol)
  Communication trouble between MCU and FAX control PWB (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 the connectors and the harness of FAX control PWB and MCU PWB. Check the grounding of the copier. Check FAX control PWB ROM.

• Code: F6-81
• Description: FAX control PWB communication trouble (Parity)
  Communication trouble between MCU and FAX control PWB (Parity 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 the connectors and the harness of FAX control PWB and MCU PWB. Check the grounding of the copier. Check FAX control PWB ROM.

• Code: F6-82
• Description: FAX control PWB communication trouble (Over-run)
  Communication trouble between MCU and FAX control PWB (Overrun 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 the connectors and the harness of FAX control PWB and MCU PWB. Check the grounding of the copier. Check FAX control PWB ROM.

• Code: F6-84
• Description: FAX control PWB communication trouble (Framing)
  Communication trouble between MCU and FAX control PWB (Framing 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 the connectors and the harness of FAX control PWB and MCU PWB. Check the grounding of the copier. Check FAX control PWB ROM.

• Code: F6-88
• Description: FAX control PWB communication trouble (Timeout)
  Communication trouble between MCU and FAX control PWB (Timeout 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 the connectors and the harness of FAX control PWB and MCU PWB. Check the grounding of the copier. Check FAX control PWB ROM.