Oki 18 Service Manual page 176

50 An error was detected by optional software
ROM.
60 An error was detected by optional RAM
check.
70 A fault occurred in the fan motor.
71 A fault occurred in the fuser.
72 Thermistor open error.
73 Thermistor short error.
74 SSIO error.
77 Toner sensor error.
80 I/F timeout occurred between the printer
main unit and the operator panel.
81 I/F timeout occurred between the printer
main unit and the operator panel.
83 I/F timeout occurred between the printer
and the Duplex Unit.
84 Printing sequence error in the Duplex unit.
90 A watchdog timer timeout occurred.
F0 Monitor error (double weight)
F1 Monitor error (argument error)
F2 Optional timeout error
F3 Optional status error
F4 BG program error
F5 System timer program error
F6 IPT2 program error
F7 IPT1 program error
Category: Processor error
LCD message: ERROR CONTROLLER nn-aaaaaaaa
- Replace the PostScript module (BOARD-MSM or
BOARD-FSL).
- Check the optional RAM for proper connection.
- Replace the optional RAM.
- Connect the fan motor cable properly.
- Replace the fan motor.
- Power Supply Unit (AC120V/ 230V)
see Section 6.5.2.
Check the operation of the toner sensor lever.
Replace the Power Supply Unit (High Voltage).
Replace the Main Board.
Note: When replacing the main board, install the
EEPROM mounted on the replaced main board.
see Section 6.5.2.
- Turn the power off, then on.
- Replace the Main board (*BOARD-FFF).
Note: When replacing the Main Board, install the
EEPROM mounted on the replaced Main Board.
see #90 above
see #90 above
see #90 above
see #90 above
see #90 above
see #90 above
see #90 above
see #90 above