Brother MFC-J4335DW Online User's Manual page 492

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(MFC-J4535DW) Open the Jam Clear Cover (1) on the back of the machine.
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5. Slowly pull the jammed paper out of the machine.
6. Close the Jam Clear Cover. Make sure the cover is closed completely.
7. If your LCD error message was [Jam Rear], put the paper support firmly back in the machine. Make sure
you fit the paper support into the channels.
8. Slowly push Tray #1 completely into the machine.
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