Oki C910 Service Manual page 197

Display
Insert paper Cassette 1, 2, 3, 4or 5 has
TRAY been detected to be Out-Of-
MEDIA SIZE Paper
Please see
HELP for details
Replace Fuser Fuser Counter
Exceed Life
Tray*Paper Paper Near-End Detection
Almost Finished
File system Cannot write to HDD.
access error
<n>
Power Off/on GDDC Error
910: Error
to
914: Error
Power Off/on Belt Slit Sensor Error
917: Error
Power Off/on Duplex FAN0 Alarm
918: Error Detection
Power Off/on Duplex 24V Abnormal
919: Error Current Detection
Power Off/on Yellow Image
920: Error Drum Lock Error
Power Off/on Magenta Image
921: Error Drum Lock Error
Power Off/on Cyan Image Drum Lock
922: Error Error
Power Off/on Black Image Drum Lock
923: Error Error
Power Off/on Tray2 24V
924: Error Abnormal Voltage Detection
Power Off/on Tray3 24V
925: Error Abnormal Voltage Detection
Power Off/on Tray4 24V
926: Error Abnormal Voltage Detection
Power Off/on Tray5 24V
927: Error Abnormal Voltage Detection
Power Off/on Fuser Motor Lock Error
928: Error
Power Off/on Waste Toner Transfer Motor
929: Error Lock Error
44043511TH Rev.2
Table 7-1-1 Operator Alarm (8/9)
Cause Error Description and Analysis
1) Check and see if the specified
cassette is out-of-paper.
2) Check and see if the out-of-paper
sensor activator is normal.
1) Is an Error message displayed?
2) Is this immediately after the fuser
unit was replaced?
Is the tray paper level low? (less than
about 30 sheets)
Is there any error in the operational
procedures?
910 :Tray1 GDDC Error
911 :Tray2 GDDC Error
912 :Tray3 GDDC Error
913 :Tray4 GDDC Error
914 :Tray3 GDDC Error
The belt is not running properly.
Does the error message still appear
after rebooting?
Error of the fan in the duplex unit
Does the error still occur after
rebooting?
24 V of power is not supplied to the
duplex unit properly.
Does the error still occur after
rebooting?
The Y ID unit is not operating properly.
Does the error message still appear
after rebooting?
The M ID unit is not operating properly.
Does the error message still appear
after rebooting?
The C ID unit is not operating properly.
Does the error message still appear
after rebooting?
The K ID unit is not operating properly.
Does the error message still appear
after rebooting?
24 V of power is not supplied to tray 2
properly.
24 V of power is not supplied to tray 3
properly.
24 V power is not supplied to tray 4
properly.
24 V of power is not supplied to tray 5
properly.
The fuser is not operating properly.
Does the error still occur?
The waste toner transfer motor is not
operating properly.
Does the error still occur?
Oki Data CONFIDENTIAL
Remedy
Judgement
Yes Put paper in specified cassette.
No Replace the corresponding out-
of-paper sensor.
Yes Check the Fuser Unit Life.
No Replace the fuser immediately or
at the next maintenance.
Yes Refill with paper.
No Check Paper Near-End Sensor.
No Check the manual usage
procedures.
Yes HDD malfunction.
Replace HDD.
Check to confirm that the tray is
mounted correctly.
Replace the geared motor of the
tray.
Check to confirm that the belt is
mounted correctly.
Yes Replace the belt.
Check to confirm that the duplex
unit is mounted correctly.
Yes Check the connection of the fan.
Yes Replace the fan.
Check to confirm that the duplex
unit is mounted correctly.
Yes Check the connection of the fan.
Yes Replace the fan.
Check to confirm that the Y ID
unit is in position.
Yes Replace the Y ID unit.
Yes Replace the Y ID motor.
Check to confirm that the M ID
unit is in position.
Yes Replace the M ID unit.
Yes Replace the M ID motor.
Check to confirm that the C ID
unit is in position.
Yes Replace the C ID unit.
Yes Replace the C ID motor.
Check to confirm that the K ID
unit is in position.
Yes Replace the K ID unit.
Yes Replace the K ID motor.
Check to confirm that tray 2 is
mounted correctly.
Check to confirm that tray 3 is
mounted correctly.
Check to confirm that tray 4 is
mounted correctly.
Check to confirm that tray 5 is
mounted correctly.
Check to confirm that the fuser is
in position.
Yes Replace the fuser.
Yes Replace the fuser motor.
Check to confirm that the waste
toner transfer system is operating
properly.
Yes Replace the waste toner motor.
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