Brother HL-6050 Service Manual page 175

CHAPTER 5 PERIODIC MAINTENANCE
!
CAUTION:
1) It is recommended to place the drum unit assembly on a piece of disposable paper or cloth
in case you accidentally spill or scatter toner.
2) To prevent damage to the printer from static electricity, do not touch the electrodes shown
in the figure below.
(3) Push down the blue lock lever and take
the toner cartridge out of the drum unit
assembly.
(4) Unpack the new drum unit.
(5) Put the toner cartridge firmly into the
new drum unit until you hear it lock into
place. If you put the cartridge in
properly, the blue lock lever will lift
automatically.
(6) Check that the blue tab is on the home
position. (Fig.5-5)
(7) Gently wipe the scanner window with a
dry, soft cloth.
(8) Put the drum unit assembly in the printer. Make sure that the printer is turned on and the
front cover is open.
(9) Reset the drum counter.
(10) Close the front cover.
Fig.5-2
Fig.5-6
5-2
Fig. 5-3
Fig. 5-4
Fig.5-5