Brother HL-4140CN Service Manual page 94

■ Error code 90
Size Mismatch
Load <size> paper in Multi Purpose Tray and press Go.
The paper size of the MP tray does not match that of the print setting.
Error code 91
Size Mismatch
Load <size> paper in Tray1 and press Go.
The paper size of the paper tray 1 does not match that of the print setting.
Error code 92
Size Mismatch
Load <size> paper in Tray2 and press Go.
The paper size of the paper tray 2 does not match that of the print setting.
<User Check>
- Match the paper size of the each paper tray with that of the print setting.
Step
1 Engine PCB failure
2 Main PCB failure
■ Error code 93
No Paper
Load <size> paper in Multi Purpose Tray.
No paper in MP tray.
<User Check>
- Load paper in the MP tray.
Step
1 Operation failure of the actuator
of the MP paper empty sensor
2 Harness connection failure of MP
paper empty/registration front
sensor PCB
3 MP paper empty sensor failure
4 Engine PCB failure
5 Main PCB failure
Cause
Cause
2-63
Remedy
Replace the engine PCB ASSY.
Replace the main PCB ASSY.
Remedy
Uninstall and reinstall the actuator of the
MP paper empty sensor.
Check the harness connection of the
MP paper empty/registration front sensor
PCB and reconnect it.
Check the sensor performance following
the procedure described in
32". If any problem occurs, replace the
MP paper empty/registration front sensor
PCB ASSY.
Replace the engine PCB ASSY.
Replace the main PCB ASSY.
"Function code
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