Oki OKIPAGE 24DX Service Manual page 196

A fault occurred in the printer.
Turn the power off, then on to release the
error display. If the display cannot be
released by this procedure, call a service
person.
Code
(nn)
10 An error was detected by program hash
check.
20 An error was detected by font format
check.
30 An error was detected by resident RAM
check.
40 An error was detected by EEPROM check. - Replace the EEPROM. (Location: IC19)
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.
see Section 6.5.2.
see Section 6.5.2.
- Replace the program ROM.
(Location: BOARD-FFF: IC6, IC8, IC30, IC31)
- Replace the Main board (BOARD-FFF).
Note: When replacing the Main board, install the
EEPROM mounted on the replaced Main board.
- Replace the font ROM.
(Location: BOARD-FFF: IC6, IC8, IC30, IC31)
- Replace the Main board (BOARD-FFF).
Note: When replacing the Main board, install the
EEPROM mounted on the replaced Main board.
- Replace the Main board (BOARD-FFF).
Note: When replacing the Main board, install the
EEPROM mounted on the replaced Main board.
- Replace the Main board (BOARD-FFF).
- 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.