Muratec MFX-3595 Field Engineering Manual page 283

Scanning trouble
Symptom
An unusual noise occurs.
While The lamp
scanning does not turn
on
CIS is
touching the
home side
(on the left
toward the
front)
The carriage
does not
move.
Possible Cause
The belt has not been firmly inserted
into the belt holder.
Harness is not firmly inserted to the
connector.
CIS defect.
HS sensor defect.
FBS motor defect.
Scanner board defect.
Countermeasure
Check the belt.
Check the connectors.
Replace.
0 Press <Mode>, <*>, <2>, <2> to
display the sensor input test mode.
1 Remove the document glass and move
the carriage by hand, and confirm that
the LCD indication changes.
OFF: Not home position
ON : Home position
2 Check the sensor harness is firmly
connected.
3 If the LCD indication does not change,
replace the HS sensor.
4 Replace the sensor harness.
5 Replace the scanner board.
6 Replace the harness between scanner
board and main control board.
1 Check the motor harness is firmly
connected.
2 Replace the FBS motor.
1 Check the connectors are firmly
connected to the scanner board.
2 Replace the harness between scanner
board and main control board.
3 Replace the scanner board.
4 Replace the main control board.
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