Level Of Second Side Cis Scan Result Detected As Abnormal During Fax Transmission (After Re-Try.); Bd Black Level Value Abnormal At Scanning - Brother DCP-J4110DW Service Manual

Error Code BC

Unable to Scan BC
Level of second side CIS scan result is detected as abnormal during FAX transmission (After re-
try.)
Step
1 White level data failure
2 White reference film stained
3 Second side CIS unit defective
4 White reference film damage,
broken
5 Main PCB defective
Error Code BD

Unable to Scan BD
Black level value abnormal at scanning.
Step
1 Black level data failure
2 First side or second side CIS unit
defective
3 Main PCB defective
Cause
Carry out maintenance 55 to obtain white label data.
Clean the white reference film of the document
scanner unit.
Replace the second side CIS unit.
Replace the document scanner unit.
Replace the main PCB ASSY.
Cause
Carry out maintenance 55 to obtain white label data.
Replace the first side or second side CIS unit.
Replace the main PCB ASSY.
2-54
LCD
Solution
LCD
Solution
Confidential