Brother DCP-L8400CDN Service Manual page 99

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Error code 9303
No Paper
Reload paper in Tray 2.
When paper was fed from the T2 paper tray unit, the T2 paper feed sensor detected that no
paper was in the T2 paper tray unit.
< User Check >
- Load paper to the paper tray.
Step
1 T2 paper feed actuator caught on
some position
2 Connection failure of the T2
paper feed sensor PCB harness
3 Connection failure of the T2 relay
PCB harness
4 T2 relay PCB failure
5 T2 connector failure
6 Main PCB failure
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Error code 9306
No Paper
Reload paper in Tray.
For printing specifying Auto, it was detected that no paper was loaded in any of the paper trays.
< 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 T2 paper feed actuator.
Reconnect the T2 paper feed sensor PCB
harness.
Reconnect the T2 relay PCB harness.
Replace the T2 relay PCB ASSY.
Replace the T2 paper tray unit.
Replace the main PCB ASSY.
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.
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Remedy
Remedy
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