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ERROR CODE AND TROUBLESHOOTING
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[E440] Feed cover opened during printing
Classification Error content
Cover open jam Feed cover open jam
Proce
dure
Check item Result Measure
Next
Step
1
Is the feed cover open? Yes Remove the paper if there is any, then close
the cover.
No
2
2
Is the feed cover opening/
closing detection sensor
working?
(Perform the input check
in the test mode: 03-
[FAX]ON/[9]/[E])
Yes
3
No • Check if the connector of the feed cover
opening/closing detection sensor is
disconnected.
• Check if the connector CN311 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 feed cover opening/closing
detection sensor.
• Replace the LGC board.
3
Replacing board • Replace the LGC board.
Parts to be replaced Remark
Feed cover opening/closing
detection sensor
LGC board
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