Brother 2150N, 2170W, HL-2140 3.3Paper Jam, ■Paper jam in the paper tray and front cover, ■Paper jam in the back cover and paper eject section

3.3Paper Jam■Paper jam in the paper tray and front cover

Step	Cause	Check	Result	Remedy
	Registration front	Does the registration front		Re-assemble the
1	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.
2	(registration front	(Check it following the	No
	actuator/edge	procedure described in
	actuator failure)	"Factory Inspection
		Mode" in Chapter 5)
	Registration	Is the problem solved		Replace the registration
3	solenoid failure	after replacing the	Yes	solenoid.
		registration solenoid?
	Toner sensor PCB	Is the problem solved		Replace the toner sensor
4	failure	after replacing the toner	Yes	PCB.
		sensor PCB?
	High-voltage	Is the problem solved		Replace the High-voltage
5	power supply PCB	after replacing the High-	Yes	power supply PCB ASSY.
	failure	voltage power supply
		PCB ASSY?
	Registration	Is the registration ground		Fit the registration ground
6	ground spring	spring fitted correctly?	No	spring correctly.
	loose			(Refer to Fig. 1-3.)
	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 sensor	Is the problem solved		Replace the paper eject
6	PCB failure	after replacing the paper	Yes	sensor PCB.
		eject sensor PCB?

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