Brother HL-7050N - Manual (Page 176)

TROUBLESHOOTING 6 - 8
HL7050_US_UG_FM5.5
Paper jams and how to clear them
If paper jams inside the printer, the printer will stop. One of the
following LCD messages will appear to tell you where to find the
jammed paper.
Figure 6-1
Paper jam in the multi-purpose tray
Paper jam in the upper paper tray (TRAY1)
Paper jam in the lower tray (TRAY 2)
Paper jam in the lower tray (TRAY 3)
Paper jam in the lower tray (TRAY 4)
Paper jam inside the printer
Paper jam where the paper comes out
Paper jam in the face-up output tray
Paper jam in the Duplex unit
Paper jam in the Mailbox unit
JAM A1
JAM A2
JAM A3
JAM A4
JAM A5
JAM B
JAM C
JAM D
JAM E