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e-STUDIO2006/2306/2506/2007/2307/2507/2303A/2303AM/2803AM/2309A/2809A
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-[A]/
[E])
Yes
3
No • Check if the connector of the feed cover
opening/closing detection sensor is
disconnected.
• Check if any of the connectors on the MAIN
board is disconnected.
20L/23L/25L/20H/23H/25H: CN27
23LA/23LM/28LM/23HA/28HA: CN16
• Check if the connector pins are
disconnected and the harnesses are open
circuited.
• Check if the conductor pattern on the MAIN
board is short circuited or open circuited.
• Replace the feed cover opening/closing
detection sensor.
3
Replacing board • Replace the MAIN board.
Parts to be replaced Remark
Feed cover opening/closing
detection sensor
MAIN board
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