Brother HL-4150CDN User Manual page 172

Troubleshooting
b
Use both hands to slowly pull out the jammed paper.
Note
Pulling out the jammed paper downward allows you to remove the paper easier.
c
Make sure that the paper is below the maximum paper mark (b b b). While pressing the green
paper-guide release lever, slide the paper guides to fit the paper size. Make sure that the guides are
firmly in the slots.
d
Put the paper tray firmly back in the machine.
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