Oki C910 Troubleshooting Manual page 26

Display Cause
Service Call After turning ON
131: Y Head the power or
132: M Head when cover is
133: C Head closed, the
134: K Head sensor detects
that the unit is
missing.
Service Call Color ID up/
142: C ID down error is
detected.
Service Call This is indicated
144: Y ID when the toner
145: M ID feed switch
146: C ID error or the
147: K ID toner lock-lever-
open error
occurs repeat-
edly when new
toner is used.
Service Call When ID unit
150: Y fuse cannot be
151: M cut.
152: C
153: K
Service Call When belt unit
154: Error fuse cannot be
cut.
Service Call When fuser unit
155: Error fuse cannot be
cut.
Service Call Toner sensor
160: Y Toner detected error.
161: M Toner
162: C Toner
163: K Toner
Service Call Thermistor
167: Error Slope Error
Service Call Compensation
168: Error Thermistor Error
Service Call Upper Side
169: Error Thermistor Error
Service Call Fuser Thermistor
170: Error short-circuit or
171: Error Open is detected
174: Error (High Tempera-
175: Error ture (HOT) or
Low Temperature
(COLD))
Service Call Thermistor
172: Error indicates High
176: Error Temperature
(HOT) Error.
Table 7-1-1 Operator Alarm (4/10)
Error Description and Analysis
1) Is an Error message
displayed?
2) Is the LED head properly
mounted?
3) Does the Error take place
again?
1) Is an Error message
displayed?
2) Does the Error take place
again?
1) Is the toner lock-lever-
open error indicated?
2) Does the problem persist
even if the ID units are
replaced?
Check if the ID Unit is
normally mounted.
Is the belt unit mounted
normally?
Is the fuser unit mounted
normally?
1) Is an Error message
displayed?
2) Does the Error take place
again?
1) Is an Error message
displayed?
2) Does the Error take place
again?
1) Is an Error message
displayed?
2) Does the Error take place
again?
1) Is an Error message
displayed?
2) Does the Error take place
again?
1) Is an Error message
displayed?
2) Does the Error take place
again?
1) Is an Error message
displayed?
2) Does the Error take place
again?
Troubleshooting Guide Page 26
Remedy
judgment
Yes ICheck the OED head unit.
No Turn ON power again.
Yes Replace the LED head Assy.
Yes Turn ON power again.
Yes Confirm that the Y, M, and C ID
units are in position, and reboot.
Yes Confirm that the lever is in
position.
Yes Replace the toner feed unit.
No Replace the ID units.
Yes Check cable connection, then
replace engine PCB.
Yes Check cable connection, then
replace engine PCB.
Yes Check cable connection, then
replace engine PCB.
Yes Replace toner sensor or Assy
(SGG-PWB).
Yes Replace toner sensor or Assy
(SGG-PWB).
Yes Turn ON power again.
Yes Leave in that state for 30
minutes then turn ON power
again.
Yes Turn ON power again.
Yes Leave in that state for 30
minutes then turn ON power
again.
Yes Turn ON power again.
Yes Leave in that state for 30
minutes then turn ON power
again.
Yes Turn ON power again.
Yes Leave in that state for 30
minutes then turn ON power
again.
Yes Turn ON power again.
Yes Leave in that state for 30
minutes then turn ON power
again.
600 1200
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓
✓ ✓