Oki C9500dxn Maintenance Manual page 132

Message Cause
Service Call EEPROM not detected
105: Error at power ON.
Service Call Error in engine control
106: Error logic detected at power
ON.
Service Call Engine ROM
107: Error check sum error.
Service Call Option unit for different
110: Error model detected.
~ 110: EnvelopeFeeder
116: Error 111: Duplex unit
112: 2nd Tray
113: 3rd Tray
114: 4th Tray
115: 5th Tray
116: Finisher
Service Call PU unit fan motor error.
120: Error
Service Call High-voltage power
121: Error supply I/F error.
Service Call Low-voltage power
122: Error supply fan error.
Low-voltage power
supply temperature error.
Service Call Improper environment
123: Error humidity detected by
sensor.
Service Call Improper environment
124: Error temperature detected
by sensor.
Service Call Error detected at MT
125: Error home position.
Turn power Sensor dew error.
OFF and wait
126: Dew
error
Service Call Error detected at the
127: Error
fuser unit cooling fan.
Service Call Temperature rise
130: Error detected at LED head.
Service Call Same unit not detected
131: Y Head upon power ON or
132: M Head opening cover.
133: C Head
134: K Head
Service Call Error detected at
140: Y ID proper ID position.
141: M ID
142: C ID
143: K ID
41956001TH Rev.1
Table 6-1-1 Operator Alarms (3/6)
Error Description
Does EEPROM exist?
Does error reoccur?
Does error reoccur?
Does error reoccur?
Is error recovered by reloading PU F/W?
Is a proper option unit for the printer set?
1) Is fan in PU unit operating?
2) Error reoccurs after replacing fan motor.
Is cable between PU board andhigh-
voltage power LSI connected properly?
1) Is fan in low-voltage power supply unit
operating?
2) Error reoccurs after replacing fan motor.
1) Is error message displayed?
2) Does error reoccur?
1) Is error message displayed?
2) Does error reoccur?
1) Is error message displayed?
2) Does error reoccur?
Sensor dew error detected.
1) Does the fuser unit cooling fan operate?
2) Does the error repeat after fuser unit
cooling fan replacement?
1) Is error message displayed?
2) Does error reoccur?
1) Is error message displayed?
2) Is LED head properly set?
3) Does error reoccur?
1) Is error message displayed?
2) Does error reoccur?
Oki Data CONFIDENTIAL
Solutions
Yes Check for EEPROM and set if not
found.
Yes Replace engine control board (K7N).
Yes Replace engine control board (K7N).
Yes Reload PU I/F.
No Replace engine control board (K7N).
Yes Set proper option unit.
No Check connections and turn power
ON. If error is not recovered, replace
the unit.
No Replace fan motor.
Yes Replace engine control board (K7N).
Yes Replace engine control board (K7N).
No Connect properly.
Yes Replace high-voltage power supply.
Check improper connections for
high-voltage.
No Replace fan motor.
Yes Replace low-voltage power supply.
Yes Replace low-voltage power supply.
Yes Turn ON power again.
Yes Replace humidity sensor.
Yes Turn ON power again.
Yes Replace humidity sensor.
Yes Turn ON power again.
Yes Replace MT.
Turn ON power after a while.
No Replace the fuser unit cooling fan.
Yes Replace the engine control PWB (K7N).
Yes Replace the engine control PWB (K7N).
Yes Leave alone for 30 min.
Yes Turn power OFF. Leave for 30 min.,
Yes then turn power ON. Replace LED
head.
Yes Confirm that LED head is set properly.
No Turn power ON again.
Yes Replace LED head assembly.
Yes Turn power ON again.
Yes Replace drum contacct assembly.
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