Brother MFC7880DN

User Check

• Check that the paper is set in the paper tray correctly.
• Check that there is not too much paper set in the paper tray.
• Flip over the paper in the paper tray or rotate the paper 180°.
• Check that the thickness of the paper is 60 to 105 g/m2.
• Check that the manual feed slot is not set as the pick-up tray.
• Flip through the paper and reset it in the paper tray.
• Clean the pick-up roller.

Step	Cause	Remedy
1	Accumulated paper dust	Remove the paper dust cleaning roller cover and get rid of the paper dust in the area described in the figure below.
2	Roller holder ASSY attachment failure	Reattach the roller holder ASSY correctly.
3	Connection failure of the main motor flat cable	Reconnect the main motor flat cable.
4	Connection failure of the paper feed sensor harness	Reconnect the paper feed sensor harness ASSY.
5	Paper feed actuator coming off	Reattach the paper feed actuator.
6	Connection failure of the new toner sensor PCB flat cable	Reconnect the new toner sensor PCB flat cable.
7	Connection failure of the T1 clutch harness	Reconnect the T1 clutch harness.
8	Abrasion of the pick-up roller	Replace the PF kit.
9	T1 clutch failure	Replace the T1 clutch.
10	Damaged P/P gear	Replace the paper tray.
11	Main motor failure	Replace the main motor.
12	Damaged gears in the paper feeding system	Replace the main frame L ASSY.
13	Damaged fuser unit	Replace the fuser unit.
14	Main PCB failure	Replace the main PCB ASSY.