Brother HL-4140CN Service Manual page 90

■ Error code 89
Size Error DX
Specify the correct paper and press Go.
Unsupported paper size is used for duplex printing.
<User Check>
- Use the A4 or Letter size paper.
- Check if the thickness of the paper is 60 to 105 g/m
Step
1 Registration front/rear sensor
PCB failure
2 Engine PCB failure
3 Main PCB failure
■ Error code 8A
Jam Tray 1
Remove the jammed paper from Tray 1.
Paper jam in the paper tray 1.
<User Check>
- Check if the paper is loaded into the paper tray 1 correctly.
- Turn back the paper loaded in the paper tray 1 or change the orientation of the paper by 180°.
- Adjust the paper guide corresponding to the paper size.
- Check if too much paper is loaded in the tray.
- Check if the thickness of the paper is 60 to 105 g/m
Step
1 Foreign object around paper tray
1
2 Harness connection failure of T1
registration front/rear sensor
PCB ASSY
3 Paper feeding kit1 worn out
4 Registration front actuator
malfunction
5 Registration front sensor failure
6 Engine PCB failure
7 Main PCB failure
Cause
Cause
2-59
2
.
Remedy
Check the registration front/rear sensor
performance following the procedure
described in "Function code
problem is found, replace the registration
front/rear sensor PCB ASSY.
Replace the engine PCB ASSY.
Replace the main PCB ASSY.
2
.
Remedy
Remove the foreign object.
Check the harness connection of the
T1 registration front/rear sensor PCB
ASSY and reconnect it.
Replace the paper feeding kit1.
Re-assemble the registration front
actuator.
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.
32". If any
"Function code
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