Brother MFC-8540DN Service Manual

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Confidential
 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 Cause Remedy
1
Malfunction of an LT control
PCB or TT control PCB
Install the latest main firmware.
2
Connection failure of a LT/TT
paper empty sensor harness
Reconnect the appropriate LT/TT paper empty
sensor harness.
3
An LT/TT paper empty actuator
caught in some sections of the
machine
Reattach the appropriate LT/TT paper empty
actuator.
4
An LT/TT paper empty sensor
PCB failure
Replace the appropriate LT/TT paper empty
sensor PCB ASSY.
5
High-voltage power supply PCB
failure
Replace the high-voltage power supply PCB
ASSY.
6 An LT control PCB failure Replace the appropriate LT control PCB ASSY.
7 TT relay PCB failure Replace a TT relay PCB ASSY.
8 TT control PCB failure Replace the TT control PCB ASSY.
9 Main PCB failure Replace the main PCB ASSY.

Brother MFC-8540DN Specifications

General

Brand	Brother
Model	MFC-8540DN
Category	All in One Printer
Language	English