Brother MFC-9840CDW, DCP-9045CDN 3.3Paper Jam, Paper jam in the DX paper feeding section, 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
1	Belt unit	Does the belt unit move	No	Replace the belt unit.
	malfunction	correctly?
2	Registration front	Does the registration front	No	Re-assemble the
	actuator move	actuator move smoothly?		registration front actuator.
	smoothly or
	catching in some
	position
3	T1 registration	Does T1 registration front	No	Replace the front door
	front sensor	sensor move smoothly?		unit ASSY.
	failure	(Check it following the
		procedure described in
		“Maintenance mode 32”.)

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.
2	Paper eject ASSY	Is each pinch roller of the	No	Replace the paper eject
	malfunction	paper eject ASSY		ASSY.
		attached to each paper
		eject roller properly?
3	Paper eject	Does the paper eject	No	Replace the fuser unit.
	actuator failure	actuator move smoothly?
		Is it damaged?

Paper jam in the DX paper feeding section

User Check

-Use the A4 size paper.

-Use paper which has not curled.

-Do not use too thin paper.

-Check that the DX paper size (A4/Letter) switch lever of the DX feed ASSY is placed in the correct position.

Step	Cause	Check	Result	Remedy
1	Deformation of	Is the paper guide DX	No	Replace the paper tray.
	paper guide DX	deformed?
	on the bottom of
	the paper tray
2	DX feed ASSY	Is the DX feed ASSY	No	Replace the DX feed
	failure	deformed?		ASSY.
		Do the rollers of the DX
		feed ASSY move
		correctly?

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