Cleaning The Corona Wire - Brother HL-6050 Service Manual

!
CAUTION:
• Use water or neutral detergents for cleaning. Cleaning with volatile liquids such as thinner
or benzene will damage the surface of the printer.
• Do not use cleaning materials that contain ammonia. They will damage the printer and the
toner cartridge.
3.2

Cleaning the corona wire

When replacing the drum unit or toner cartridge with a new one, be sure to clean the drum
unit.
1) Turn off the printer power switch, and then unplug the printer power cord.
2) Press the cover release button, and then open the front cover of the printer.
3) Take out the drum unit assembly (drum unit with the toner cartridge).
!
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.
4) Clean the primary corona wire inside the drum unit by gently sliding the blue tab from
right to left several times. Return the tab to the home position before re-install the drum
unit assembly.
!
CAUTION:
Make sure that the blue tab on the drum unit is returned to the home position before re-
installing the drum unit into the printer, or printed pages may have a vertical stripe.
5) Put the drum unit assembly back in the printer.
6) Close the front cover.
7) Plug the printer power cord back in, and then turn the printer power switch back on.
Fig.5-49
Home position
Fig. 5-50
5-27
HL-6050/6050D/6050DN SERVICE MANUAL