Brother DCP-7090 Service Manual page 121

 Paper jam at the paper feeding section at the center of the machine
<User Check>
• Check that the paper is set in each paper tray correctly.
• Flip over the paper in each paper tray or rotate the paper 180°.
• Adjust each paper guide according to the paper size.
• Check that there is not too much paper set in each paper tray.
• Check that the thickness of the paper is 60 to 163 g/m
and 60 to 230 g/m
• Flip through the paper and reset it in the paper tray.
• Replace the drum unit.
Step
Foreign object inside the
1
machine
2 Eject actuator coming off
Connection failure of the eject
3
sensor harness
4 Fuser cover attachment failure
5 Damaged fuser drive gear
6 Eject sensor failure
7 Registration rear sensor failure
8 Paper feed motor failure
Damaged gears in the paper
9
feed drive system
10 Damaged fuser unit
11 Main PCB failure
2
for the MP tray.
Cause
2-81
2
for the paper tray,
Remedy
Remove the foreign object.
Reattach the eject actuator.
Reconnect the eject sensor harness.
Reattach the fuser cover.
Replace the fuser drive gear.
Replace the eject sensor PCB ASSY.
Replace the actuator holder ASSY.
Replace the paper feed motor.
Replace the frame L unit.
Replace the fuser unit.
Replace the main PCB ASSY.
Confidential