Brother DCP9040CN

Paper jam in the paper tray and front cover

Step	Cause	Check	Result	Remedy
1	Belt unit malfunction	Does the belt unit move correctly?	No	Replace the belt unit.
2	Registration front actuator move smoothly or catching in some position	Does the registration front actuator move smoothly?	No	Re-assemble the registration front actuator.
3	T1 registration front sensor failure	Does T1 registration front sensor move smoothly? (Check it following the procedure described in “Maintenance mode 32”.)	No	Replace the front door unit ASSY

Paper jam in the back cover and paper eject section

Step	Cause	Check	Result	Remedy
1	Foreign object around fuser unit	Is there a foreign object around the fuser unit?	Yes	Remove the foreign object.
2	Paper eject ASSY malfunction	Is each pinch roller of the paper eject ASSY attached to each paper eject roller properly?	No	Replace the paper eject ASSY.
3	Paper eject actuator failure	Does the paper eject actuator move smoothly? Is it damaged?	No	Replace the fuser unit.

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 paper guide DX on the bottom of the paper tray	Is the paper guide DX deformed?	No	Replace the paper tray.
2	DX feed ASSY failure	Is the DX feed ASSY deformed? Do the rollers of the DX feed ASSY move correctly?	No	Replace the DX feed ASSY.