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Confidential
2-49
Error Code BC
Level of second side CIS scan result is detected as abnormal during FAX transmission
(after re-try.)
Error Code BD
Black level value abnormal at scanning.
Unable to Scan BC
LCD
Step
Cause
Solution
1
White level data failure
Carry out maintenance 55 to obtain white level
data.
2
White reference tape of
document pressure bar of ADF
cover stained
Clean the white reference tape of document
pressure bar of ADF cover.
3
Second side CIS unit defective
Replace the second side CIS unit.
4
White reference tape of
document pressure bar of ADF
cover damage, broken
Replace the ADF cover.
5
Main PCB defective
Replace the main PCB ASSY.
Unable to Scan BD
LCD
Step
Cause
Solution
1
Black level data failure
Carry out maintenance 55 to obtain white level
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.
Summary of Contents for MFC-J6920DW
Page 123: ...3 3 Confidential 2 PACKING ...
Page 146: ...3 26 Confidential 3 Set the protective part Protective part ...
Page 308: ...5 37 Confidential pfadj2 Pattern ...
Page 315: ...5 44 Confidential Margin Check Pattern ...
Page 362: ...App 3 8 Confidential When the following screen appears click Close to close the screen ...