Code :

Code: B2
Description: Gain control data level error for scanning
Causes: 1 Document scanner unit failure. 2 Main PCB failure.
Remedy: 1 Document scanner unit failure Replace the document scanner unit. 2 Main PCB failure Replace the main PCB ASSY.

Code: B7
Description: A/D converter standard voltage failure; at High side
Causes: 1 Document scanner unit failure. 2 Main PCB failure.
Remedy: 1 Document scanner unit failure Replace the document scanner unit. 2 Main PCB failure Replace the main PCB ASSY.

Code: B8
Description: A/D converter standard voltage failure; at Low side
Causes: 1 Document scanner unit failure. 2 Main PCB failure.
Remedy: 1 Document scanner unit failure Replace the document scanner unit. 2 Main PCB failure Replace the main PCB ASSY.

Code: B9
Description: Scanning light adjustment error is detected
Causes: 1 Document scanner unit failure. 2 Main PCB failure.
Remedy: 1 Document scanner unit failure Replace the document scanner unit. 2 Main PCB failure Replace the main PCB ASSY.

Code: BB
Description: White level data error
Causes: 1 Document scanner unit failure. 2 Main PCB failure.
Remedy: 1 Document scanner unit failure Replace the document scanner unit. 2 Main PCB failure Replace the main PCB ASSY.

Code: BD
Description: Black level data error
Causes: 1 Document scanner unit failure. 2 Main PCB failure.
Remedy: 1 Document scanner unit failure Replace the document scanner unit. 2 Main PCB failure Replace the main PCB ASSY.

Code: C0
Description: Identification failure for a new toner cartridge (K)
Causes: 1 Power off or top cover opened while detecting a new toner cartridge. 2 Toner/new sensor failure. 3 Main PCB failure.
Remedy: 1 Power off or top cover opened while detecting a new toner cartridge Reset the developing bias voltage and develop roller counter. (Refer to “2.2 Develop Roller Counter Reset Function” in Chapter 7.) 2 Toner/new sensor failure Replace the toner/new sensor PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: C1
Description: Identification failure for a new toner cartridge (Y)
Causes: 1 Power off or top cover opened while detecting a new toner cartridge. 2 Toner/new sensor failure. 3 Main PCB failure.
Remedy: 1 Power off or top cover opened while detecting a new toner cartridge Reset the developing bias voltage and develop roller counter. (Refer to “2.2 Develop Roller Counter Reset Function” in Chapter 7.) 2 Toner/new sensor failure Replace the toner/new sensor PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.