Oki C910 Troubleshooting Manual page 31

Display Cause
Tray*Paper Paper Near-End
Almost Detection
Finished
Disc Operation Cannot write to
Error HDD.
Service Call GDDC Error
910: Error
to
914: Error
Service Call Belt Slit Sensor
917 Error
Service Call Duplex FAN0
918 Alarm Detection
Service Call Duplex 24V
919 Abnormal Current
Detection
Service Call Yellow Image
920 Drum Lock Error
Service Call Magenta Image
921 Drum Lock
Error
Service Call Cyan Image
922 Drum Lock
Error
Service Call Black Image
923 Drum Lock
Error
Service Call Tray2 24V
924 Abnormal
Voltage Detec-
tion
Service Call Tray3 24V
925 Abnormal
Voltage Detec-
tion
Service Call Tray4 24V
926 Abnormal
Voltage Detec-
tion
Service Call Tray5 24V
927 Abnormal
Voltage Detec-
tion
Service Call Fuser Motor
928 Lock Error
Table 7-1-1 Operator Alarm (9/10)
Error Description and Analysis
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 operat-
ing properly.
Does the error message still
appear after rebooting?
The M ID unit is not operat-
ing properly.
Does the error message still
appear after rebooting?
The C ID unit is not operat-
ing properly.
Does the error message still
appear after rebooting?
The K ID unit is not operat-
ing 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?
Troubleshooting Guide Page 31
Remedy
judgment
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.
600 1200
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓