Brother DCP-L5500D Service Manual page 104

 Error code 9301
When printing from the MP tray, the MP paper empty sensor detected that there was no
paper set in the MP tray.
Error code 9302
When printing from paper tray 1, the T1 paper empty sensor or the T1 paper feed sensor
detected that there was no paper set in paper tray 1.
Error code 9303
When printing from paper tray 2, the T2(LT or TT) paper empty sensor detected that there
was no paper set in paper tray 2.
Error code 9304
When printing from paper tray 3, the T3(LT or TT) paper empty sensor detected that there
was no paper set in paper tray 3.
Error code 9305
When printing from paper tray 4, the T4(LT or TT) paper empty sensor detected that there
was no paper set in paper tray 4.
Error code 9306
When printing from paper tray 5, the T5TT paper empty sensor detected that there was no
paper set in paper tray 5.
<User Check>
• Set paper in the appropriate paper tray.
Step
Malfunction of an LT control
1
PCB or TT control PCB
Connection failure of a LT/TT
2
paper empty sensor harness
An LT/TT paper empty actuator
3 caught in some sections of the
machine
An LT/TT paper empty sensor
4
PCB failure
High-voltage power supply PCB
5
failure
6 An LT control PCB failure
7 TT relay PCB failure
8 TT control PCB failure
9 Main PCB failure
Cause
Install the latest main firmware.
Reconnect the appropriate LT/TT paper empty
sensor harness.
Reattach the appropriate LT/TT paper empty
actuator.
Replace the appropriate LT/TT paper empty
sensor PCB ASSY.
Replace the high-voltage power supply PCB
ASSY.
Replace the appropriate LT control PCB ASSY.
Replace a TT relay PCB ASSY.
Replace the TT control PCB ASSY.
Replace the main PCB ASSY.
2-69
Remedy
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