Code :

Code: C6
Description: Pressure engagement/ disengagement failure of toner cartridge.
Causes: 1 Harness connection failure of develop release motor. 2 Develop release motor failure failure. 3 Develop release sensor PCB failure. 4 Engine PCB failure.
Remedy: 1 Harness connection failure of develop release motor Check the harness connection of the develop release motor and reconnect it. 2 Develop release motor failure Replace the develop release motor. 3 Develop release sensor PCB failure Replace the develop release sensor PCB ASSY. 4 Engine PCB failure Replace the engine PCB ASSY.

Code: CA
Description: USB device overcurrent error.
Causes: 1 USB host relay PCB failure. 2 Main PCB failure
Remedy: 1 USB host relay PCB failure Replace the USB host relay PCB ASSY. 2 Main PCB failure Replace the main PCB ASSY.

Code: CB
Description: The belt unit is not installed.
Causes: 1 Harness connection failure of registration mark sensor holder ASSY. 2 Density sensor failure. 3 Main PCB failure.
Remedy: 1 Harness connection failure of registration mark sensor holder ASSY Check the harness connection of the registration mark sensor holder ASSY and reconnect it. 2 Density sensor failure Replace the registration mark sensor holder ASSY. 3 Main PCB failure Replace the main PCB ASSY.