Brother DCP-L8400CDN Service Manual page 100

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Error code 9307
No Paper
Load paper in Tray.
Upon receiving a fax or printing a list or report, the machine detected that paper tray empty of
paper.
< User Check >
- Load paper to any tray.
Step
1 MP paper empty actuator caught
on some position
2 T1 paper feed actuator caught on
some position
3 T2 paper feed actuator caught on
some position
4 Connection failure of the MP
paper empty/registration front
sensor PCB harness
5 Connection failure of the T1
paper feed sensor PCB harness
6 Connection failure of the T2
paper feed sensor PCB harness
7 MP paper empty sensor failure
8 T1 paper feed sensor failure
9 T2 connector failure
10 Main PCB failure
Cause
Re-assemble the MP paper empty
actuator.
Re-assemble the T1 paper feed actuator.
Re-assemble the T2 paper feed actuator.
Reconnect the MP paper empty/
registration front sensor PCB harness.
Reconnect the T1 paper feed sensor PCB
harness.
Reconnect the T2 paper feed sensor PCB
harness.
Replace the MP paper empty/registration
front sensor PCB ASSY.
Replace the T1 paper feed sensor PCB
ASSY.
Replace the T2 paper tray unit.
Replace the main PCB ASSY.
2-70
Remedy
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