Brother MFC-9460CDN - Page 123

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Confidential
■ 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.
■ Error code BA
Scanning outside light detection error.
* This error is indicated on the LCD in the maintenance mode.
This error does not usually occur in the normal use. The conceivable causes are noise around
the installation site, fluctuation of the power supply voltage, and failures in the software.
<User Check>
- Turn OFF the power switch, and turn it ON again after a while.
Scanner Error
Scanner Error
Step Cause Remedy
1 Second side scanning CIS failure Replace the second side scanning CIS.
2 Document scanner unit failure Replace the document scanner unit.
3 Main PCB failure Replace the main PCB ASSY.
Scanner Error
Step Cause Remedy
1 Second side scanning CIS failure Replace the second side scanning CIS.
2 Document scanner unit failure Replace the document scanner unit.
3 Main PCB failure Replace the main PCB ASSY.
Scanner Error
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.