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[C270] Carriage home position sensor not going OFF within a fixed time
Classification
Scanning system related service
call
Remove the original glass and move the carriages to the paper feeding side. Turn ON the power and
check the following items.
Check item
Are the carriages slightly moved to
the feeding direction? Are the
carriages staying at a position
other than home position?
Parts to be replaced
SLG board
[C280] Carriage home position sensor not going ON within a fixed time
Classification
Scanning system related service
call
Remove the original glass and move the carriages to the paper feeding side. Turn ON the power and
check the following items.
Check item
Do the carriages make a big noise
after they arrive at the home
position?
Parts to be replaced
SLG board
[C290] Scanner fuse blowout
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Error content
The carriage does not shift from its home position in a specified
period of time.
Result
Yes
1. Check if the connector of the scan motor is
disconnected.
2. Check if the connector pin is disconnected
and the harness is short circuited or open
circuited.
3. Replace the SLG board.
No
1. Check if the connector pin is disconnected
and the harness is short circuited or open
circuited.
2. Check if the conductor pattern on the SLG
board is short circuited or open circuited.
3. Replace the SLG board.
Error content
The carriage does not reach to its home position in a specified
period of time.
Result
Yes
The carriage home position sensor is not
turned ON.
1. Check if the connector of the sensor is
disconnected.
2. Replace the carriage home position sensor.
3. Replace the SLG board.
No
The carriages are stopped at the home position
and do not move.
1. Check if the connector pins are
disconnected and the harnesses are short
circuited or open circuited.
2. Check if the conductor pattern on the SLG
board is short circuited or open circuited.
3. Replace the SLG board.
8 - 125
Measure
Remark
Measure
Remark
ES9160 MFP / ES9170 MFP
ERROR CODE AND TROUBLESHOOTING
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Step
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