J007/J010/J011 30 Repair Center Manual
Duplex Unit
Duplex cover open
Description: Duplex unit cover is open.
Probable Cause: The signal from the duplex cover sensor did not change.
Location: Duplex unit, duplex cover switch, control board
Service Center Procedure:
1. Check the duplex unit cover.
2. Replace duplex unit if another unit is available.
3. Check Status Monitor to see if a cover open alert has been triggered.
4. Deliver duplex unit.
Replacement Procedure:
1. Replace duplex cover switch.
2. Replace duplex unit.
Duplex unit defective
Description: Duplex unit is not installed properly.
Probable Cause: Duplex unit locks defective, duplex unit defective, or the signal from the
duplex unit sensor did not change.
Location: One or more of the following:
Duplex unit
Rear interlock switch
HVPS pack
Control board
Service Center Procedure:
1. Reinstall duplex unit.
2. Replace duplex unit if another unit is available.
3. Deliver duplex unit.
Replacement Procedure:
1. Replace duplex unit.
2. Interlock switch.
3. Replace HVPS.
4. Replace control board.
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