Brother HL-4140CN Service Manual page 95

■ Error code 94
No Paper
Load <size> paper in Tray 1.
No paper is loaded in the paper tray 1. (Registration front sensor fails to be turned ON.)
<User Check>
- Load paper in the paper tray 1.
Step
1 Coming off of registration front
actuator
2 Harness connection failure of T1
registration front/rear sensor
PCB ASSY
3 Registration front sensor failure
4 Engine PCB failure
5 Main PCB failure
■ Error code 95
No Paper
Load <size> paper in Tray 2.
No paper in paper tray 2.
<User Check>
- Load paper in the paper tray 2.
- Check if paper is properly loaded in the paper tray 2. (Check of connector connection)
Step
1 T2 paper edge actuator
malfunction
2 Harness connection failure of
T2 sensor PCB ASSY
3 Harness connection failure of
T2 Relay PCB ASSY
4 Harness connection failure of
plate drive motor
5 T2 paper edge sensor failure
6 T2 Relay PCB failure
7 Engine PCB failure
8 Main PCB failure
Cause
Cause
2-64
Remedy
Re-assemble the registration front
actuator.
Check the harness connection of the
T1 registration front/rear sensor PCB
ASSY and reconnect it.
Check the sensor performance following
the procedure described in
32". If any problem occurs, replace the T1
registration front/rear sensor PCB ASSY.
Replace the engine PCB ASSY.
Replace the main PCB ASSY.
Remedy
Re-assemble the T2 paper edge actuator.
Check the harness connection of the
T2 sensor PCB ASSY and reconnect it.
Check the harness connection of the
T2 Relay PCB ASSY and reconnect it.
Check the harness connection of the
plate drive motor and reconnect it.
Check the sensor performance following
the procedure described in
32". If any problem occurs, replace the T2
paper feed frame unit.
Replace the T2 Relay PCB ASSY.
Replace the engine PCB ASSY.
Replace the main PCB ASSY.
"Function code
"Function code
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