Oki C9850 Maintenance Manual page 189

Display
Power Off/on Inverter CPU
932: Error Clock Frequency Error
Power Off/on Trya2 CPU Clock
933: Error Frequency Error
Power Off/on Trya3 CPU Clock
934: Error Frequency Error
Power Off/on Trya4 CPU Clock
935: Error Frequency Error
Power Off/on Trya5 CPU Clock
936: Error Frequency Error
Power Off/on Waste Toner
940: Error Transfer Error
Software not Keychip check failed
authorized
001
Software not Unauthorized hard disk
authorized copy
002
Software not Unauthorized software
authorized coniguration
003
Software not EEPROM missing
authorized
004
43627911TH Rev. 3
Table 7-1-1 Operator Alarm (10/10)
Cause Error Description and Analysis
The inverter CPU clock frequency
is not correct.
Does the error still occur?
The tray-2 CPU clock frequency is
not correct.
Does the error still occur?
The tray-3 CPU clock frequency is
not correct.
Does the error still occur?
The tray-4 CPU clock frequency is
not correct.
Does the error still occur?
The tray-5 CPU clock frequency is
not correct.
Does the error still occur?
The transfer mechanism of the
toner duct for ID is not operating
properly.
Does the error still occur?
AS3 PCB KeyChip unmounted or
KeyChip Error is detected.
The AS3 PCB HDD is not a
standard (oficial) product.
The AS3 PCB HDD program does
not match the destination.
The AS3 PCB EEPROM
unmounted or EEPROM Error is
detected.
Oki Data CONFIDENTIAL
Remedy
Judgement
Check the connection of the
V72-3 board.
Yes Replace the V72-3 board.
Check the connection of the
V72-1 board of tray 2.
Yes Replace the V72-1 board.
Check the connection of the
V72-1 board of tray 3.
Yes Replace the V72-1 board.
Check the connection of the
V72-1 board of tray 4.
Yes Replace the V72-1 board.
Check the connection of the
V72-1 board of tray 5.
Yes Replace the V72-1 board.
Check to conirm that the basket
assembly is in position (if it is
engaged with the gear of the
printer).
Yes Check to conirm that the holder
magnet D contains a magnet,
and check the magnetic polarity.
Yes Replace the HAL IC circuit
board.
Yes Replace the duct assembly
toner.
Power OFF/ON
Replace KeyChip
Power OFF/ON
Replace HDD
Power OFF/ON
Replace HDD
Power OFF/ON
Replace EEPROM
600 1200
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