Brother MFC-7290 - Page 76

2-39
Confidential
 Error code 83
Detected discharge when the number of rotations of the drum has exceeded twice the life
limit.
 Error code 84
The eject sensor remains ON (paper pass detected) for more than the specified time even
after the registration rear sensor detected the end of paper pass.
Drum Stop
Replace the Drum Unit. Refer to the instructions in the carton of the new drum.
<User Check>
• Replace the drum unit with a new one and reset the drum counter.
(Refer to "2.2 Parts Life Reset Function (Drum)" in Chapter 5.)
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
Jam Rear
Open the Back Cover and remove the jammed paper, then press Start.
<User Check>
• Check that the paper is not jammed. If jammed, remove it.
Step Cause Remedy
1
Foreign object in the feed
system at the rear section of the
machine
Remove the foreign object in the feed system
at the rear section of the machine.
2
Paper eject actuator
attachment failure
Reattach the paper eject actuator.
3
Coming off of the eject pinch
roller R or L ASSY
Reattach the eject pinch roller R or L ASSY.
4 Eject sensor PCB failure Replace the eject sensor PCB ASSY.
5 Main PCB failure Replace the main PCB ASSY.