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