Confidential
2-53
CIS positioning abnormal (Home position cannot be found.)
Level of second side CIS scan result is detected as abnormal during FAX transmission
(after re-try.)
Black level value abnormal at scanning.
Error Code AF
Unable to Scan AF
LCD
Step Cause Solution
1 Scanner belt out of place Set the scanner belt into place.
2 Scanner motor harness
connection failure
Reconnect the scanner motor harness.
3 First side CIS flat cable
connection failure
Reconnect the first side CIS flat cable.
4 Black reference film stained Clean document cover glass at black reference
film.
5 First side CIS flat cable
defective
Replace the first side CIS flat cable.
6 First side CIS unit defective Replace the first side CIS unit.
7 Scanner motor defective Replace the document scanner unit.
8 Main PCB defective Replace the main PCB ASSY.
Error Code BC
Unable to Scan BC
LCD
Step Cause Solution
1 White level data failure Carry out maintenance 55 to obtain white label
data.
2 Second side CIS unit defective Replace the second side CIS unit.
3 Main PCB defective Replace the main PCB ASSY.
Error Code BD
MACHINE ERROR BD
LCD
Step Cause Solution
1 Black level data failure Carry out maintenance 55 to obtain white/black
label data.
2 First side or second side CIS
unit defective
Replace the first side or second side CIS unit.
3 Main PCB defective Replace the main PCB ASSY.
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