
SELF DIAG CODE MESSAGE L3
No C2
PHENOMENON DISPLAY CODE MAIN CODE L3 SUB CODE 00
LAMP
TITLE Scanner (reading) return trouble
DETAIL 1) The scanner (reading) dose not return.
2) The scanner (reading) return completion is not recognized.
SECTION Scanner (reading)
ITEM
TYPE (MODE) User Warning
Service YES Trouble YES
Other Other
OPERATION MODE Copy Machine operation when the
message is displayed
Stop
NOTE
BASIC CAUSE 1 Though the specified number (pulses) of the scanner (reading) motor return (motor reverse rotation) signal is outputted, the
scanner home position sensor (MHP) ON is not recognized.
CASE 1 No
TROUBLE POSITION
CAUSE
The scanner (reading) mechanism operation is not smooth.
1) Scanner (reading) mechanism lock
2) Scanner (reading) mechanism wear
REMEDY (Check)
1) Scanner (reading) drive section assembly
2) Scanner (reading) sliding section 9rail, shaft)
(Remedy)
1) Grease up
2) Scanner (reading) section parts replacement
3) Rest the trouble with SIM 14.
(After work)
1) When the scanner (reading) section parts are disassembled, adjust.
NOTE
CASE 2 No
TROUBLE POSITION
CAUSE
Scanner home position sensor (MHP) signal recognition error
1) Scanner home positions sensor (MHP) trouble
2) MCU PWB scanner home position sensor (MHP) input circuit trouble
REMEDY (Check)
1) Scanner home position sensor (MHP)
2) MCU PWB scanner home position sensor (MHP) input circuit
(Remedy)
1) Scanner home position sensor (MHP) 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
adjustment values.
NOTE
CASE 3 No
TROUBLE POSITION
CAUSE
Scanner (reading) motor drive trouble
1) Scanner (reading) motor trouble
2) MCU PWB scanner (reading) motor control circuit trouble
REMEDY (Check)
1) Scanner (reading) motor
2) MCU PWB scanner (reading) motor control circuit
(Remedy)
1) Scanner (reading) motor 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
adjustment values.
NOTE
FO-3800M
10 – 4
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