Brother HL-L9300CDW Service Manual page 87

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Error code 8402
No Tray
The paper tray cannot be detected, re-install #T.
While the T2 paper tray unit is open state, print or adjustment operation was attempted.
< User Check >
- Check if the T2 paper tray unit is closed correctly.
Step
1 T2 paper feed actuator that has
come off or that has been caught
2 Main PCB failure
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Error code 8403
No Tray T3
-
While the T3 paper tray unit is open state, print or adjustment operation was attempted.
< User Check >
- Check if the T3 paper tray unit is closed correctly.
Step
1 T3 paper feed actuator that has
come off or that has been caught
2 Main PCB failure
Cause
Cause
2-67
Remedy
Re-assemble the T2 paper feed actuator.
Replace the main PCB ASSY.
Remedy
Re-assemble the T3 paper feed actuator.
Replace the main PCB ASSY.
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