Brother DCP-L8400CDN Service Manual page 111

■
Error code BC00
Scan Unable BC
Turn the power off and then back on again.
Though a fax was scanned again after AC00 error, the second side white or black calibration
data was not within the normal range.
Step
1 Second side CIS unit calibration
data error
2 Second side CIS flat cable
damaged
3 Second side CIS unit failure
4 Main PCB failure
■
Error code BD00
Scanner Error BD
-
The black level value obtained with function code 55 was outside the specified range.
Step
1 First side or second side CIS unit
calibration data error
2 First side CIS flat cable damaged
3 Second side CIS flat cable
damaged
4 First side CIS unit failure
5 Second side CIS unit failure
6 Main PCB failure
■
Error code BF00
Scan Unable
Document is too longfor 2-sided scanning. Press Stop key.
The first side document scanning position sensor detected that the document was 400 mm or
more in length and could not be fed from the ADF in duplex feeding.
< User Check >
- Use A4 or Letter size document.
- Remove the jammed paper.
Step
1 First side document scanning
position actuator catching on
some position
2 First side document scanning
position sensor failure
3 Main PCB failure
Cause
Perform
(Refer to
data and setting of CIS scanning area
(Function code 55)" in this
Replace the second side CIS flat cable.
Replace the second side CIS unit.
Replace the main PCB ASSY.
Cause
Perform
(Refer to
data and setting of CIS scanning area
(Function code 55)" in this
Replace the first side CIS flat cable.
Replace the second side CIS flat cable.
Replace the first side CIS unit.
Replace the second side CIS unit.
Replace the main PCB ASSY.
Cause
Re-assemble the first side document
scanning position actuator.
Replace the first side document scanning
position sensor PCB.
Replace the main PCB ASSY.
2-81
Remedy
"Function code 55".
"1.3.19 Acquisition of white level
chapter.)
Remedy
"Function code 55".
"1.3.19 Acquisition of white level
chapter.)
Remedy
Confidential