Brother DCP-8080DN/8085DN, MFC-8480DN/8880DN/8890DW 4. PAPER FEEDING PROBLEMS, 4.1No Feeding, 4.2Double Feeding

4. PAPER FEEDING PROBLEMS

Problems related to paper feeding are end user recoverable if following the User Check items. If the same problem occurs again, follow each procedure in the order of the number described in the Step column in the tables below.

4.1No Feeding

Step	Cause	Check	Result	Remedy
1	Dirt on PE sensor	Is there paper powder in	Yes	Clean the PE sensnor.
		the PE sensor?
	Edge actuator	Does the edge actuator		Re-assembly the edge
2	catching on some	move smoothly?	No	actuator.
	position
	Roller holder	Does the roller holder		Re-assembly the roller
3	ASSY catching on	ASSY move smoothly?	Yes	holder ASSY.
	some position
	Registration front	Is the problem solved		Replace the registration
4	sensor failure	after replacing the	Yes	front sensor PCB ASSY.
		registration front sensor
		PCB ASSY?
	Separation pad or	Is the surface of the		1) Clean the surface of
	roller holder ASSY	separation pad or the		the separation pad or
5	failure	pickup roller dirty or worn	Yes	pickup roller.
		out?		2) Replace the separation
				pad or pickup roller.
6	Pressure plate	Is the pressure plate gear	Yes	Replace the paper tray.
	gear damage	damaged?
7	T1 solenoid failure	Does the T1 solenoid	No	Replace the T1 solenoid.
		work correctly?
	T1 solenoid	Is the problem solved		Replace the high-voltage
	pathway of the	after replacing the high-		power supply PCB ASSY.
8	high-voltage	voltage power supply	Yes
	power supply PCB	PCB ASSY?
	broken
	Main PCB failure	Is the problem solved		Replace the main PCB
9		after replacing the main	Yes	ASSY.
		PCB ASSY?
	Main motor failure	Is the problem solved		Replace the drive sub
10		after replacing the drive	Yes	ASSY.
		sub ASSY?

4.2Double Feeding

Step	Cause	Check	Result	Remedy
	Separation pad or	Is the surface of the		Replace the PF kit.
1	roller holder ASSY	separation pad worn out?	Yes
	failure

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