Brother MFC-7290 - Page 82

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Confidential
 Error code 9F
The registration front sensor detected that the paper has run out when faxing or printing a list
or report.
 Error code A0
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.
An unidentified error occurred.
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<User Check>
• Set the paper in the paper tray.
Step Cause Remedy
1
Registration front actuator
catching on some position
Correct the position of the registration front
actuator.
2
Connection failure of the
registration front/rear sensor
PCB ASSY harness
Reconnect the registration front/rear sensor
PCB ASSY harness.
3
Registration front/rear sensor
PCB failure
Replace the regist frame ASSY.
4
Low voltage power supply PCB
failure
Replace the low voltage power supply PCB
ASSY.
5 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.