Brother HL-5440D Service Manual page 70

Error code 5700
Jam Duplex
The registration front sensor does not detect paper pass within the specified time after the
first side was printed in duplex printing mode.
<User Check>
• Remove the paper jammed in the duplex paper feed system.
• Use A4 or Letter-size paper.
• Check that the thickness of the paper is 60 to 105 g/m
Step
Foreign object in the duplex
1
paper feed system
2 Outer chute coming off
Connection failure of the duplex
3
solenoid harness
4 Duplex gears attachment failure Reattach the duplex gears.
5 Duplex tray failure
6 Duplex solenoid failure
7 Damaged duplex gears
8 Main PCB failure
Cause
Remove the foreign object.
Reattach the outer chute.
Check the connection of the duplex solenoid
harness, and reconnect it if necessary.
Replace the duplex tray.
Replace the duplex solenoid.
Replace the main frame L ASSY.
Replace the main PCB ASSY.
2-34
2
.
Remedy
Confidential