Scanning Light Adjustment Error - Brother DCP-8070D Service Manual

■ Error code B9
Scanner Error

Scanning light adjustment error.

* This error is indicated on the LCD in the maintenance mode.
Error code BB
Scanner Error
White level data error
* This error is indicated on the LCD in the maintenance mode.
Error code BD
Scanner Error
Black level data error
* This error is indicated on the LCD in the maintenance mode.
Step
Scanner module failure
1
2 Main PCB failure
■ Error code BF
Scan Unable BF
Document is too long for duplex scanning. Press Stop key.
ADF duplex scanning cannot be implemented due to too long document
<User Check>
• Use the document of the specified size. (A4 or Letter)
Step
Document front actuator 2 not
1 operating smoothly or catching in
some position.
2 Document front sensor 2 failure
Cause
Cause
3-34
Remedy
Replace the CCD module. (CCD model)
Replace the document scanner unit.
(CIS model)
Replace the main PCB ASSY.
Remedy
Correct smooth operation and that there is
no catching of the document front actuator
2.
Replace the document front sensor 2.
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