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Scanning trouble
Symptom Possible Cause Countermeasure
An unusual noise occurs. The belt has not been firmly inserted
into the belt holder.
Check the belt.
While
scanning
The lamp
does not turn
on
Harness is not firmly inserted to the
connector.
Check the connectors.
CIS defect. Replace.
CIS is
touching the
home side
(on the left
toward the
front)
HS sensor defect. 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.
The carriage
does not
move.
FBS motor defect. 1 Check the motor harness is firmly
connected.
2 Replace the FBS motor.
Scanner board defect. 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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