Brother HL-3400CN Series User Manual page 228

USER'S GUIDE
6–10
After you have followed the instructions, the printer automatically
resumes printing. However, the Data LED may come on and the
following message may appear on the display:
07 FF PAUSE
After a paper jam has occurred, data usually remains in the printer
memory. The message prompts you to execute a form feed and print the
remaining data. Press the Set button to continue.
Paper Jam at Paper Exit
13 JAM REAR
If paper has passed behind the Rear Access Cover and a paper jam has
occurred at the paper exit, follow the steps below:
1. Open the Top Cover and release the Fusing Unit Pressure Release Levers.
Fig. 6-1 Paper Jam at Paper Exit
2. Open the Rear Access Cover and remove the jammed paper by
pulling it out slowly.
Fig. 6-2 Remove the jammed paper