Brother DCP-8080DN/8085DN, MFC-8480DN/8880DN/8890DW 4.3Paper Jam

4.3Paper Jam

■Paper jam in the paper tray and front cover

Step	Cause	Check	Result	Remedy
1	Dirt on edge	Is there paper powder in	Yes	Clean the edge sensor.
	sensor	the edge sensor?
	Registration front	Does the registration front		Re-assemble the
2	actuator/edge	actuator/edge actuator	No	registration front actuator/
	actuator catching	move smoothly?		edge actuator.
	on some position
	Registration front	Does the registration front		Replace the registration
	sensor PCB	sensor move smoothly?		front sensor PCB ASSY.
	(registration front	(Check it following the	No
3	actuator/edge	procedure described in
	actuator failure)	"4.10 Sensor Operational
		Check (Function code
		32)" in Chapter 7)
	Registration	Is the problem solved		Replace the registration
4	solenoid failure	after replacing the	Yes	solenoid.
		registration solenoid?
	Toner LED PCB	Is the problem solved		Replace the toner LED
5	failure	after replacing the toner	Yes	PCB ASSY.
		LED PCB ASSY?
	High-voltage	Is the problem solved		Replace the High-voltage
6	power supply PCB	after replacing the High-	Yes	power supply PCB ASSY.
	failure	voltage power supply
		PCB ASSY?
	Main PCB failure	Is the problem solved		Replace the Main PCB
7		after replacing the Main	Yes	ASSY.
		PCB ASSY?

■Paper jam in the back cover and paper eject section

Step	Cause	Check	Result	Remedy
1	Foreign object	Is there a foreign object	Yes	Remove the foreign
	around fuser unit	around the fuser unit?		object.
	Paper eject	Does the paper eject		Replace the paper eject
2	actuator failure	actuator move smoothly?	No	actuator.
		Is it damaged?
3	Fuser cover ASSY	Is the fuser cover ASSY	No	Fit the fuser cover ASSY
	loose	fitted correctly?		correctly.
4	Outer chute ASSY	Is the outer chute ASSY	No	Fit the outer chute ASSY
	loose	fitted correctly?		fitted correctly.
	Eject roller 2	Is each pinch roller of the		Replace the inner chute
	malfunction	inner chute ASSY		ASSY.
5		attached to each eject	No
		roller 2 of top cover ASSY
		properly?
	Paper eject	Is the problem solved		Replace the paper eject
6	sensor PCB	after replacing the paper	Yes	sensor PCB ASSY.
	failure	eject sensor PCB?

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