Oki PACEMARK 4410 Service Manual page 161

• Check the mounting of Tractor Paper End Switch.
L "COVER OPEN" is displayed on LCD even though Access Cover is closed.
• Check ON/OFF operation of Cover Open Switch, according to Maintenance Manual.
• Normal ON/OFF operation?
Yes No
• The cables to PRA-Board CN1 and CN4 connected properly?
Yes
• Replace the Cover Open Switch/Ribbon Rotation Sensor cable. Recovered?
No
• Replace the junction cable between PRA-Board CN1 and PMA-Board CN2. Recov
ered?
No
• Replace PMA-Board. Recovered?
No
• Replace PRA-Board.
• The claws on Access Cover damaged?
No Yes
• Replace Access Cover.
• XXX mounted properly?
No Yes
• Install XXX properly.
No
• Connect the cables properly.
Yes
• End
Yes
• End
Yes
• End
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