Brother HL-5440D Service Manual page 82

Error code 9400
No Paper
When printing from paper tray 1, the T1 paper feed sensor detected that there was no paper
set in paper tray 1.
<User Check>
• Set the paper in paper tray 1.
Step
Connection failure of the T1
1 paper feed sensor harness
T1 paper feed actuator caught
2
in some sections of the machine
T1 paper feed actuator is bent
3
or has failed
T1 paper feed sensor failure
4
High-voltage power supply PCB
5
failure
6 Main PCB failure
Error code 9500
No Paper
When printing from paper tray 2, the T2 paper feed sensor detected that there was no paper
set in paper tray 2.
<User Check>
• Set the paper in paper tray 2.
Step
Connection failure of the T2
1
paper feed sensor harness
T2 paper feed actuator caught
2
in some sections of the machine
3 T2 paper feed actuator failure
T2 paper feed sensor failure
4
5 T2 relay PCB failure
6 LT connector failure
7 Main PCB failure
Cause
Check the connection of the T1 paper feed
sensor PCB harness, and reconnect it if
necessary.
Reattach the T1 paper feed actuator.
Replace the T1 paper feed actuator.
Refer to
(function code: 32)" in Chapter 5
sensor operation. If the sensor operation is
faulty, replace the T1 paper feed sensor PCB
ASSY.
Replace the high-voltage power supply PCB
ASSY.
Replace the main PCB ASSY.
Cause
Check the connection of the T2 paper feed
sensor harness, and reconnect it if necessary.
Reattach the T2 paper feed actuator.
Replace the T2 paper feed actuator.
Refer to
(function code: 32)" in Chapter 5
sensor operation. If the sensor operation is
faulty, replace the T2 paper feed sensor PCB
ASSY.
Replace the T2 relay PCB ASSY.
Replace the LT connector
Replace the main PCB ASSY.
2-46
Remedy
"1.3.8 Check sensor operation
Remedy
"1.3.8 Check sensor operation
to check the
to check the
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