Brother MFC-7240 - Page 86

2-49
Confidential
 Error code A9 to AC
These errors do 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.
An unidentified error occurred.
 Error code AD
Image processing cannot be completed correctly because the number of pixels required for
image processing is insufficient in the scanned data.
 Error code AE and AF
These errors do 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.
An unidentified error occurred.
 Error code B0
Detected that the CIS harness was not inserted correctly.
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<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
Scan Unable
Remove the original document. Turn the power off, then on again.
Step Cause Remedy
1 CIS unit failure Replace the CIS unit.
2 Main PCB failure Replace the main PCB ASSY.
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<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
Scanner Error
Step Cause Remedy
1
Connection failure of the CIS
unit harness
Reconnect the CIS unit harness.
2 CIS unit failure Replace the CIS unit.
3 Main PCB failure Replace the main PCB ASSY.