Confidential
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â– Error Code AC00
Level of CIS scan result is detected as abnormal during the second side fax
sending. (During the first sending)
Error Code BC00
Level of CIS scan result is detected as abnormal during the second side fax
sending. (After retrying)
â– Error Code AD00
The required number of pixels of the scanning data is not output, and it does not
finish normally.
Step Cause Solution
1 White level data failure Acquire white/black level data. (refer to Chapter
5, Section 1.3.15 "Acquisition of White/Black
Level Data (Maintenance mode 55)")
2 White reference film of
document pressure bar of ADF
stained
Clean the white reference film of document
pressure bar of ADF.
3 Second side CIS unit defective Replace the second side CIS unit.
4 White reference film of
document pressure bar of ADF
damaged, broken
Replace the ADF unit.
5 Main PCB defective Replace the main PCB.
Step Cause Solution
1 White level data failure Carry out maintenance 55 to obtain white/black
level data.
2 First side or second side CIS
flat cable connection failure
Reconnect the first side or second side CIS flat
cable.
3 First side or second side CIS
unit defective
Replace the first side or second side CIS unit.
4 Main PCB defective Replace the main PCB.
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