Brother DCP-7080 Service Manual page 89

 Error code BB00
Scanner Error
-
A white level not within the standard was scanned when function code 55 was executed.
Step
Dirt on the second side
1
document hold
Dirt on the white tape
2
First side CIS unit failure
3
Second side CIS unit failure
4
Second side document hold
5
failure
White tape failure
6
Main PCB failure
7
 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)
Step
Incorrect correction data for
1
second side CIS unit
Second side CIS unit failure
2
Main PCB failure
3
 Error code BD00
Scanner Error
-
A black level not within the standard was scanned when function code 55 was executed.
Step
Dirt on the second side
1
document hold
Dirt on the white tape
2
First side CIS unit failure
3
Second side CIS unit failure
4
Second side document hold
5
failure
White tape failure
6
Main PCB failure
7
Cause
Clean the second side document hold.
Clean the white tape.
Replace the first side CIS unit.
Replace the second side CIS unit.
Replace the ADF unit.
Replace the document scanner unit.
Replace the main PCB ASSY.
Cause
Execute "Set CIS scan area
55)".
Replace the second side CIS unit.
Replace the main PCB ASSY.
Cause
Clean the second side document hold.
Clean the white tape.
Replace the first side CIS unit.
Replace the second side CIS unit.
Replace the ADF unit.
Replace the document scanner unit.
Replace the main PCB ASSY.
2-54
Remedy
Remedy
(function code:
Remedy
Confidential