Oki ES9160, Maintenance Manual

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© 2012 OKI DATA CORPORATION All rights reserved ES9160 MFP / ES9170 MFP
ERROR CODE AND TROUBLESHOOTING
8 - 125
[C270] Carriage home position sensor not going OFF within a fixed time
Remove the original glass and move the carriages to the paper feeding side. Turn ON the power and
check the following items.
[C280] Carriage home position sensor not going ON within a fixed time
Remove the original glass and move the carriages to the paper feeding side. Turn ON the power and
check the following items.
[C290] Scanner fuse blowout
Classification Error content
Scanning system related service
call The carriage does not shift from its home position in a specified
period of time.
Check item Result Measure
Next
Step
Are the carriages slightly moved to
the feeding direction? Are the
carriages staying at a position
other than home position? 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.
Parts to be replaced Remark
SLG board
Classification Error content
Scanning system related service
call The carriage does not reach to its home position in a specified
period of time.
Check item Result Measure
Next
Step
Do the carriages make a big noise
after they arrive at the home
position? 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.
Parts to be replaced Remark
SLG board