Brother MFC-9010CN - Page 137

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Confidential
■ Error code B0
The harness of the CIS unit is inserted incompletely.
* This error is indicated on the LCD in the maintenance mode.
■ Error code B1
Dark level offset data level error for scanning
* This error is indicated on the LCD in the maintenance mode.
Error code B2
Gain control data level error for scanning
* This error is indicated on the LCD in the maintenance mode.
Error code B7
A/D converter standard voltage failure; at High side
* This error is indicated on the LCD in the maintenance mode.
Error code B8
A/D converter standard voltage failure; at Low side
* This error is indicated on the LCD in the maintenance mode.
Error code B9
Scanning light adjustment error.
* This error is indicated on the LCD in the maintenance mode.
Refer to the next page for remedy.
Scanner Error
Step Cause Remedy
1 Incomplete insertion of the
harness of the CIS unit
Reconnect the harness for the CIS unit
correctly.
2 Scanner harness broken Replace the document scanner unit.
3 Main PCB failure Replace the main PCB ASSY.
Scanner Error
Scanner Error
Scanner Error
Scanner Error
Scanner Error