Code :

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 When the CRUM trademark differs. When the CRUM company code differs. Model error When the boot program model code does not match with the CRUM model information. Type error When the CRUM type is other than [Genuine/Conversion/Production rotation]. Destination error The destination of the body differs from that of the CRUM. Data abnormality The initial check information includes an erroneous value. When the max. toner supply time is 00: When the print hard stop is 00:
Causes: CRUM chip failure Erroneous developing unit
Remedy: Replace the CRUM chip. Replace the developing unit

Code: F5 02
Description: 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
Remedy: Check connector/harness of FAX control PWB and MCU PWB. Check the grounding of the copier. Check FAX control PWB ROM.

Code: F6 80
Description: 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 connector/harness of FAX control PWB and MCU PWB. Check the grounding of the copier. Check FAX control PWB ROM.

Code: F6 81
Description: 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 connector/harness of FAX control PWB and MCU PWB. Check the grounding of the copier. Check FAX control PWB ROM.

Code: F6 82
Description: 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 connector/harness of FAX control PWB and MCU PWB. Check the grounding of the copier. Check FAX control PWB ROM.