Brother MFC-7240 - Page 77

2-40
Confidential
 Error code 85 to 87
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 88
The eject sensor does not detect paper pass after the registration rear sensor detected the
end of paper pass.
 Error code 89
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>
• 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.
Jam Inside
Open the Front Cover, pull out the Drum Unit completely and remove the jammed
paper.
<User Check>
• Check that the paper is not jammed. If jammed, remove it.
Step Cause Remedy
1
Connection failure of the eject
sensor PCB ASSY harness
Reconnect the eject sensor PCB ASSY
harness.
2
Paper eject actuator catching
on some position
Correct the position of the paper eject actuator.
3 Eject sensor PCB failure Replace the eject sensor PCB ASSY.
4 Fuser unit gear damaged Replace the fuser unit.
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.