Brother DCP-2537DW, Service Manual

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2-69
Confidential

Error code BB00
A white level not within the standard was scanned when function code 55 was executed.
 Error code BC00
When scanning the fax, white or black correction data for the second side CIS was not within
the correct range (second time).
 Error code BD00
A black level not within the standard was scanned when function code 55 was executed.
Step Cause Remedy
1
Dirt on the second side
document hold Clean the second side document hold.
2 Dirt on the white tape Clean the white tape.
3 First side CIS unit failure Replace the first side CIS unit.
4 Second side CIS unit failure Replace the second side CIS unit.
5
Second side document hold
failure Replace the ADF unit.
6 White tape failure Replace the document scanner unit.
7 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1
Incorrect correction data for
second side CIS unit Execute “Acquire white level data
(Function code 55) ”.
2
Dirt on the white tape on the
second side document hold Clean the white tape on the second side
document hold.
3
Damaged second side CIS flat
cable Replace the second side CIS flat cable.
4 Second side CIS unit failure Replace the second side CIS unit.
5 White tape failure Replace the ADF unit.
6 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1
Dirt on the second side
document hold Clean the second side document hold.
2 Dirt on the white tape Clean the white tape.
3 First side CIS unit failure Replace the first side CIS unit.
4 Second side CIS unit failure Replace the second side CIS unit.
5
Second side document hold
failure Replace the ADF unit.
6 White tape failure Replace the document scanner unit.
7 Main PCB failure Replace the main PCB ASSY.