Brother HL-S7000DN - 4.2.6 Unable to perform 2-sided printing; 4.2.7 The order of pages changes when printing on plain paper is directly placed on the tray on t...

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4.2.6 Unable to perform 2-sided printing
<User Check>
- Firmly close back cover.
- Firmly install paper tray.
- Set driver to 2-sided printing.
- Use the A4 or Letter size paper.
- Firmly set 2-sided tray.
4.2.7 The order of pages changes when printing on plain paper is directly
placed on the tray on the back side
<User Check>
- If the temperature and humidity where the machine is used are low, increase them to normal
ones.
- Instead of the eject stopper tray on the back side, use the eject tray on the top.
Step Cause Remedy
1 Eject actuator catching on some
position
Reinstall the eject actuator.
2 Switchback solenoid harness
connection failure
Reconnect the switchback solenoid
harness.
3 2-sided clutch harness
connection failure
Check the connection of 2-sided clutch
harness and reconnect the harness.
4 Switchback sensor connection
failure
Check the connection of switchback
sensor harness and reconnect the
harness.
5 Back cover sensor connection
failure
Check the connection of back cover
sensor harness and reconnect the
harness.
6 2-sided tray failure Replace the 2-sided tray.
7 Back cover failure Replace the paper eject ASSY.
8 Paper feed PCB failure Replace the paper feed PCB ASSY.
9 Main PCB failure Replace the main PCB ASSY.