Brother DCP-7090 Service Manual page 103

 Error code 9301
When paper was fed from the MP tray, the MP paper empty sensor detected that no paper
was in the MP tray.
<User Check>
• Load paper to the MP tray.
Step
MP paper empty actuator caught
1
in some sections of the machine
Connection failure of the MP paper
2
empty sensor PCB harness
Connection failure of the MP
3
relay PCB harness
4 Main PCB failure
 Error code 9302
When paper was fed from the paper tray, the T1 paper empty sensor or T1 paper feed sensor
detected that no paper was in the paper tray.
<User Check>
• Set paper in the paper tray.
Step
Connection failure of the T1
paper empty/paper feed sensor
1
harness (paper empty sensor
models only)
Connection failure of the T1
2
clutch harness
Connection failure of the paper
3
feed motor flat cable
T1 paper feed actuator caught in
4 some sections of the machine (non
paper empty sensor models only)
T1 paper empty actuator caught in
5 some sections of the machine
(paper empty sensor models only)
6 Abrasion of the PF kit 1
Paper feed motor flat cable
7
failure
8 T1 clutch failure
T1 paper feed sensor PCB
9 failure (non paper empty sensor
models only)
10 Paper feed motor failure
Damaged gears in the paper
11
feed drive system
12 Main PCB failure
Cause
Cause
2-63
Remedy
Reattach the MP paper empty actuator.
Reconnect the MP paper empty sensor
PCB harness.
Reconnect the MP relay PCB harness.
Replace the main PCB ASSY.
Remedy
Reconnect the T1 paper empty/paper feed
sensor harness.
Reconnect the T1 clutch harness.
Reconnect the paper feed motor flat
cable.
Reattach the T1 paper feed actuator.
Reattach the T1 paper empty actuator.
Replace the PF kit 1.
Replace the paper feed motor flat cable.
Replace the T1 clutch.
Replace the T1 paper feed sensor PCB
ASSY.
Replace the paper feed motor.
Replace the frame L unit.
Replace the main PCB ASSY.
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