Brother HL-1850 Service Manual page 205

(4) Pull the drum unit assembly out of the printer. Pull the jammed paper up and out of the
printer.
If the paper jam can be cleared, go to (8).
(5) Open the face up output tray (rear cover).
(6) Open the jam clear cover. Pull the jammed paper out of the fuser unit.
(7) Close the jam clear cover. Close the face
up output tray (rear cover).
(8) Install the drum unit assembly into the printer.
(9) Close the front cover.
(10) Install the paper cassette into the printer.
Fig. 6-26
6-21
HL-1850/1870N SERVICE MANUAL
Fig. 6-27
Fig. 6-28
Fig. 6-29