Confidential
2-85
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User Check
- Check that documents are not reversed.
- Check that they are set in the ADF tray securely.
Step Cause Solution
1 White level correction data failure Carry out maintenance 55.
2 First side or second side CIS flat
cable connection failure
Reconnect the first side or second side CIS flat
cable.
3 The first side or second side CIS
flat cable defective
Replace the first side or second side CIS flat cable.
4 First side or second side CIS unit
defective
Replace the first side or second side CIS unit.
5 Main PCB defective Replace the main PCB ASSY.
User Check
- Clean document cover glass or ADF glass.
- Clean the document pressure bar.
Step Cause Solution
1 CIS lens foreign materials Remove foreign materials.
2 First side or second side CIS unit
defective
Replace the first side or second side CIS unit.
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