Oki C9500 Maintenance Manual page 109

Message Cause
Close cover Printer engine cover
310: Top open.
cover open
Reset fuser Same unit not detected
320: Fuser upon power ON or
error opening cover.
Turn power Printer cannot be used
OFF and wait temporarily due to
321: MOTOR motor overheat.
OVERHEAT
Open/close Sensor output out of
cover range with no media.
323: Paper (Only for Factory Mode)
thickness
error
Open/close Sensor output gap out
cover of range with no media.
324: Paper (Only for Factory Mode)
thickness
error
Open/close Media detect value out
cover of range.
325: Paper
thickness
error
Open/close U-Heavy mode media
cover detect value out of
326: Paper range.
thickness
error
Reset belt Same unit not detected
330: Belt error upon power ON or
closing cover.
Reset drum Same as above.
340~343:
Drum error
Set new drum ID unit life.
350: Yellow drum
life
351: Magenta
drum life
352: Cyan drum
life
353: Black drum
life
Set new fuser Fuser life (occurs when
354: Fuser life fuser life continuation
is OFF).
Set new belt Belt life notified (alarm).
355: Belt life Print N-count by
opening and closing
cover.
Set new belt Waste toner belt life
356: Belt life notified (alarm).
Print N-count by
opening and closing
cover. N=20
Set duplex unit When duplex unit is
360: Duplex removed from printer.
unit is open.
41956001TH Rev.6
Table 5-1-1 Operator Alarms (5/6)
Error Description
1) Check if top cover is open.
2) Check if cover switch is proper.
1) Is error message displayed?
2) Is fuser unit set properly?
3) Does error reoccur?
1) Are foreign objects mixed in sensor?
2) Does printer recover when detecting
paper thickness by opening/closing tray?
3) Does printer recover by power OFF/ON.
1) Are foreign objects mixed in sensor?
2) Does printer recover when detecting
paper thickness by opening/closing tray?
3) Does printer recover by power OFF/ON.
1) Is different media type mixed in?
2) Is media being double fed?
Is different media type mixed in?
1) Is error message displayed?
2) Is belt unit set properly?
3) Does error reoccur?
1) Is error message displayed?
2) Is image drum set properly?
3) Does error reoccur?
Right after replacing ID unit?
Right after replacing fuser?
Right after replacing belt?
Right after replacing belt?
Does error recover by resetting duplex
unit?
Oki Data CONFIDENTIAL
Solutions
Yes Close top cover.
Yes Close side cover.
No
Replace cover switch.
Yes Check if fuser is set properly.
No Reset fuser and turn ON power again.
Yes Replace fuser unit assembly.
Turn ON power after a while.
Yes Remove foreign objects.
No Normal.
Yes Remove foreign objects.
No Normal.
Yes Remove foreign objects.
Yes Remove foreign objects.
Yes Check set condition of belt unit.
No Reset belt unit and turn power ON
again.
Yes Replace belt unit assembly.
Yes Check set condition of ID.
No Turn power ON again.
Yes Replace ID unit assembly.
Yes Check ID unit life.
No Replace ID unit.
Yes Check fuser life.
No Replace fuser.
Yes Check belt life.
No Replace belt.
Yes Check belt life.
No Replace belt.
Yes Normal.
No Replace duplex unit or engine board.
109 /