Brother DCP-L8400CDN Service Manual page 110

■
Error code B000
SCANNER ERROR FB / SCANNER ERROR ADF
-
The first or second side CIS flat cable was detected to be not inserted correctly.
Step
1 Connection failure of the first
side CIS flat cable
2 Connection failure of the second
side CIS flat cable
3 First side CIS flat cable damaged
4 Second side CIS flat cable
damaged
5 First side CIS unit failure
6 Second side CIS unit failure
7 Main PCB failure
■
Error code BB00
Scanner Error BB
-
The white 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
Cause
Reconnect the first side CIS flat cable.
Reconnect the second side CIS flat cable.
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
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.
2-80
Remedy
Remedy
"Function code 55".
"1.3.19 Acquisition of white level
chapter.)
Confidential