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Oki ES9160 Maintenance Manual page 543

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8.3.5
Cover open jam
[E410] Front cover opened during printing
Classification
Cover open jam
Proce
Check item
dure
1
Is the front cover open?
2
Is the front cover opening/
closing switch working?
(Perform the input check
in the test mode: 03-
[FAX]ON/[9]/[D])
3
Is the voltage of 24V being
supplied from the power
supply unit?
(Perform the input check
in the test mode: 03-[FAX]
ON/[2]/[A])
4
LGC board
Parts to be replaced
Front cover opening/closing switch
LGC board
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Front cover open jam
Result
Yes
Close the cover.
No
Yes
No
Check if the connector of the front cover
opening/closing switch is disconnected.
Check if the connector CN310 on the LGC
board is disconnected.
Check if the connector pins are
disconnected and the harnesses are open
circuited.
Check if the conductor pattern on the LGC
board is short circuited or open circuited.
Replace the front cover opening/closing
switch.
Replace the LGC board.
Yes
No
Check if the connector for 24 V power
supply is disconnected.
Check if the connector CN301 on the LGC
board is disconnected.
Check if the connector pins are
disconnected and the harnesses are open
circuited.
Check if the conductor pattern on the LGC
board is short circuited or open circuited.
Replace the LGC board.
Replace the LGC board.
8 - 63
Error content
Measure
Remark
ES9160 MFP / ES9170 MFP
ERROR CODE AND TROUBLESHOOTING
Next
Step
2
3
8
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Es9170