Brother FAX-2840 Service Manual page 86

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