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No
C8
CASE 3
No
TROUBLE POSITION
CAUSE
CAUSE
Copy lamp light quantity abnormality
1) Copy lamp trouble
2) Copy lamp control PWB trouble
3) Copy lamp light quantity adjustment trouble
1) Copy lamp trouble
2) Copy lamp control PWB trouble
3) Copy lamp light quantity adjustment trouble
REMEDY
(Check)
1) Copy lamp
2) Copy lamp control PWB
3) Copy lamp light quantity level
1) Copy lamp
2) Copy lamp control PWB
3) Copy lamp light quantity level
(Remedy)
1) Copy lamp replacement
2) Copy lamp control PWB replacement
3) Copy lamp light quantity level adjustment
1) Copy lamp replacement
2) Copy lamp control PWB replacement
3) Copy lamp light quantity level adjustment
(After work)
1) Copy density adjustment
1) Copy density adjustment
NOTE
SELF DIAG CODE MESSAGE
H2
No
C9
PHENOMENON
DISPLAY
CODE
MAIN CODE
H2
SUB CODE
00
LAMP
TITLE
Fusing temperature sensor (thermistor) trouble
DETAIL
1) Fusing temperature sensor (thermistor) output level abnormality
2) Fusing temperature sensor (thermistor) output level recognition error
2) Fusing temperature sensor (thermistor) output level recognition error
SECTION
Fusing
ITEM
TYPE (MODE)
User
Warning
Service
YES
Trouble
YES
Other
Other
OPERATION MODE
All modes
Machine operation when the
message is displayed
message is displayed
Stop
NOTE
BASIC CAUSE 1
Fusing temperature sensor (thermistor) output level recognition error
CASE 1
No
TROUBLE POSITION
CAUSE
CAUSE
Fusing temperature sensor (thermistor) signal recognition error
1) Fusing temperature sensor (thermistor) trouble
2) MCU PWB fusing temperature sensor (thermistor) input circuit trouble
1) Fusing temperature sensor (thermistor) trouble
2) MCU PWB fusing temperature sensor (thermistor) input circuit trouble
REMEDY
(Check)
1) Fusing temperature sensor (thermistor)
2) MCU PWB fusing temperature sensor (thermistor) input circuit
1) Fusing temperature sensor (thermistor)
2) MCU PWB fusing temperature sensor (thermistor) input circuit
(Remedy)
1) Fusing temperature sensor (thermistor) replacement
2) MCU PWB replacement
3) Reset the trouble with SIM 14.
1) Fusing temperature sensor (thermistor) replacement
2) MCU PWB replacement
3) Reset the trouble with SIM 14.
(After work)
1) When the MCU PWB is replaced, perform simulations to input various set values and
1) When the MCU PWB is replaced, perform simulations to input various set values and
adjustment values.
NOTE
SELF DIAG CODE MESSAGE
H3
No
C10
PHENOMENON
DISPLAY
CODE
MAIN CODE
H3
SUB CODE
00
LAMP
TITLE
Fusing high temperature trouble
DETAIL
1) Fusing temperature sensor (thermistor) output level abnormality
2) Fusing temperature sensor (thermistor) output level recognition error
2) Fusing temperature sensor (thermistor) output level recognition error
SECTION
ITEM
TYPE (MODE)
User
Warning
Service
YES
Trouble
YES
Other
Other
OPERATION MODE
Machine operation when the
message is displayed
message is displayed
Stop
NOTE
10 – 10
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