Oki C9850

Oki Data CONFIDENTIAL
43627911TH Rev. 3
183 /
Table 7-1-1 Operator Alarm (4/10)
Display Cause Error Description and Analysis
Judgement
Remedy 600 1200
Service Call
128: Error
Engine FAN
Motor Error
Error was detected in each fan.
01: Fuser FAN Error
02: Power FAN Error
03: PU Motor FAN Error
04: Belt FAN Error
05: IDFAN Error
06: Top Cover FAN Error
Is the applicable location of the
fan connection normal?
If the condition does not change
Replace fan.
Service Call
131: Y Head
132: M Head
133: C Head
134: K Head
After turning ON the
power or when cover
is closed, the sensor
detects that the unit is
missing.
1) Is an Error message displayed?
2) Is the LED head properly
mounted?
3) Does the Error take place
again?
Yes
No
Yes
ICheck the OED head unit.
Turn ON power again.
Replace the LED head Assy.
Service Call
140: Y
141: M
142: Error
Color ID up/down error
is detected.
1) Is an Error message displayed?
2) Does the Error take place
again?
Yes
Yes
Turn ON power again.
Confirm that the Y, M, and C ID
units are in position, and reboot.
Service Call
144: Y ID
145: M ID
146: C ID
147: K ID
This is indicated when
the toner feed switch
error or the toner lock-
lever-open error occurs
repeatedly when new
toner is used.
1) Is the toner lock-lever-open
error indicated?
2) Does the problem persist even
if the ID units are replaced?
Yes
Yes
No
Confirm that the lever is in
position.
Replace the toner feed unit.
Replace the ID units.
Service Call
150: Y
151: M
152: C
153: K
When ID unit fuse
cannot be cut.
Check if the ID Unit is normally
mounted.
Yes Check cable connection, then
replace engine PCB.
Service Call
154: Error
When belt unit fuse
cannot be cut.
Is the belt unit mounted normally? Yes Check cable connection, then
replace engine PCB.
Service Call
155: Error
When fuser unit fuse
cannot be cut.
Is the fuser unit mounted normally? Yes Check cable connection, then
replace engine PCB.
Service Call
160: Y Toner
161: M Toner
162: C Toner
163: K Toner
Toner sensor detected
error.
1) Is an Error message displayed?
2) Does the Error take place
again?
Yes
Yes
Replace toner sensor or Assy
(SGG-PWB).
Replace toner sensor or Assy
(SGG-PWB).
Service Call
167: Error
Thermistor Slope Error 1) Is an Error message displayed?
2) Does the Error take place
again?
Yes
Yes
Turn ON power again.
Leave in that state for 30
minutes then turn ON power
again.
Service Call
168: Error
Compensation
Thermistor Error
1) Is an Error message displayed?
2) Does the Error take place
again?
Yes
Yes
Turn ON power again.
Leave in that state for 30
minutes then turn ON power
again.
Service Call
169: Error
Upper Side Thermistor
Error
1) Is an Error message displayed?
2) Does the Error take place
again?
Yes
Yes
Turn ON power again.
Leave in that state for 30
minutes then turn ON power
again.
Service Call
170: Error
171: Error
174: Error
175: Error
Fuser Thermistor
short-circuit or Open
is detected (High
Temperature (HOT)
or Low Temperature
(COLD))
1) Is an Error message displayed?
2) Does the Error take place
again?
Yes
Yes
Turn ON power again.
Leave in that state for 30
minutes then turn ON power
again.