A5 Main charger Arc discharge of contact has occurred. DEV,FTR,STR bias Short circuit of contact voltage has occurred.
A6 Fuser/Toner Cartridge fan is not rotating at normal speed.
A7 Power supply fan error. Fan is not rotating at normal speed.
A8 Ozone fan error. Fan is not rotating at normal speed.
A9 Multi-Purpose Pickup Roller movement error occured.
B1-B6 Feed cassette bottom plate motor error.
B7 Media transfer roller movement error. Transfer roller did not reach to transfer position or home position within 0.7 sec.
B8 Cyan developing unit movement error. Developer unit did not reach contact position or home position within 1 sec.
B9 Magenta developing unit movement error. Developer unit did not reach contact position or home position within 1 sec.
C1 Duplex communication error
C2 Duplex printing registration error
C3 Duplexer feeding motor error
C4 DF-30 IPC communication error
C5 ST-30 backup RAM error
D0-D4 Firmware program downloading errors
E0 Engine communication error. Parity error occurs or no response comes back from engine.
E1 Main motor unlocked. It is not phase-locked and is not rotating at normal speed.
E2 Laser scanner motor error. The polygon motor does not deliver a synchronous output (L) within the predetermined period of time
E3 Laser beam detection error. The photo detector board does not deliver a synchronous output (L).
E4 Fuser Heater Error.
E5 Eraser error. The eraser current is less than 15 mA (normally 65 mA).
E6 Engine ROM check sum error.
E8 Fuser unit life fuse error
E9 Toner motor error. The toner motor current is 120 mA or more for one second (normally 30 mA).
F0 Controller system lock error. Communication is failed between the front panel and the main controller.
F1 System Checksum Error. An error is detected in the controller. The Ready-symbol and ON LINE indicators go off; and ATTENTION lights. The printer does not operate when this message is displayed.
F2 RAM read/write error. Checksum is failed with the RAM on the main controller board.
