Brother MFC-9130CW Service Manual page 114

■ Error code B700
Scanner Error
During scanning, obtained voltage was above the upper limit.
Error code B800
Scanner Error
During scanning, obtained voltage was below the lower limit.
Error code B900
Scanner Error
During scanning, obtained white level does not increase though light intensity is increased.
Error code BB00
Scanner Error
The white level value obtained with function code 55 was outside the specified range.
Step
1 First side CIS unit failure
2 Second side CIS unit failure
3 Main PCB failure
■ Error code BC00
Scan Unable BC
See Troubleshooting and routine maintenance chapter in User's Guide.
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 unit failure
3 Main PCB failure
■ Error code BD00
Scanner Error
The black level value obtained with function code 55 was outside the specified range.
Step
1 First side CIS unit failure
2 Second side CIS unit failure
3 Main PCB failure
Cause
Cause
Cause
2-75
Remedy
Replace the first side CIS unit.
Replace the second side CIS unit.
Replace the main PCB ASSY.
Remedy
Perform "Function code
"1.4.18 Acquisition of white level data and
setting of CIS scanning area" in Chapter
Replace the second side CIS unit.
Replace the main PCB ASSY.
Remedy
Replace the first side CIS unit.
Replace the second side CIS unit.
Replace the main PCB ASSY.
55". (Refer to
5.)
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