Brother HL-L2340DW

User Check

• Check that the paper is set in each paper tray correctly.
• Flip over the paper in each paper tray or rotate the paper 180°.
• Adjust each paper guide according to the paper size.
• Check that there is not too much paper set in the paper tray.
• Check that the thickness of the paper is 60 to 105g/m2. (60 to 163g/m2 for manual feed slot)
• Flip through the paper and reset it in the paper tray.
• Replace the drum unit.

Step	Cause	Remedy
1	Foreign object inside the machine	Remove the foreign object.
2	Eject actuator coming off	Reattach the eject actuator.
3	Connection failure of the eject sensor PCB flat cable	Reconnect the eject sensor PCB flat cable.
4	Connection failure of the registration clutch harness	Reconnect the registration clutch harness.
5	Fuser cover attachment failure	Reattach the fuser cover.
6	Registration clutch failure	Replace the registration clutch.
7	Eject sensor failure	Replace the eject sensor PCB ASSY.
8	Registration rear sensor failure	Replace the registration front/rear actuator holder ASSY.
9	Main motor failure	Replace the main motor.
10	High-voltage power supply PCB failure	Replace the high-voltage power supply PCB ASSY.
11	Damaged gears in the feeding system	Replace the main frame L ASSY.
12	Fuser unit failure	Replace the fuser unit.
13	Main PCB failure	Replace the main PCB ASSY.