Brother MFC-8510DN, Service Manual

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Error code 5600
The eject sensor detected that the fuser cover was open.
„ Error code 5700
The registration front sensor does not detect paper pass within the specified time after the
first side was printed in duplex printing mode.
Cover is Open
Close the Fuser Cover which can be found behind the Back Cover of the machine.
<User Check>
• Close the fuser cover.
Step Cause Remedy
1
Eject actuator attachment
failure Reattach the eject actuator.
2
Eject actuator spring
attachment failure Reattach the eject actuator spring.
3
Eject actuator and/or fuser
cover failure Replace the fuser cover.
4
Eject sensor PCB failure Refer to "1.3.10 Check sensor operation
(function code: 32)" in Chapter 5 to check the
sensor operation. If the sensor operation is
faulty, replace the eject sensor PCB ASSY.
5 Main PCB failure Replace the main PCB ASSY.
Jam Duplex
Pull out the Duplex Tray at the back of the machine and remove the jammed paper.
<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
2
.
Step Cause Remedy
1
Foreign object in the duplex
paper feed system Remove the foreign object.
2 Outer chute coming off Reattach the outer chute.
3
Connection failure of the duplex
solenoid harness Check the connection of the duplex solenoid
harness, and reconnect it if necessary.
4 Duplex gears attachment failure Reattach the duplex gears.
5 Duplex tray failure Replace the duplex tray.
6 Duplex solenoid failure Replace the duplex solenoid.
7 Damaged duplex gears Replace the main frame L ASSY.
8 Main PCB failure Replace the main PCB ASSY.