Toner Cartridge - Brother HL-1850 Service Manual

CHAPTER 5 PERIODIC MAINTENANCE
!
CAUTION:
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.
(3) While pressing the lock lever, pull the
toner cartridge out of the drum unit
assembly. (Fig.5-2)
(4) Unpack the new drum unit,
and remove the protective materials.
(5) Install the toner cartridge into the new
drum unit until you hear it lock into place
with a click. When the toner cartridge is
installed correctly, the lock lever is lifted
automatically. (Fig.5-3)
(6) Re-install the drum unit assembly in the printer.
(7) Reset the page counter referring to the instructions supplied with the new drum unit.
(8) Close the front cover.
!
CAUTION:
• For best performance, use only genuine Brother toner. The product should only be used in
a clean, dust-free environment with adequate ventilation..
• Only unpack a drum unit immediately before you need to install it into the printer. If an
unpacked drum unit is subjected to excessive direct sunlight or room light, the unit may be
damaged.
• Handle the drum unit and toner cartridge carefully. If toner scatters on your hands or
clothes, wipe or wash it off with cold water immediately.
• Discard the used drum unit according to local regulations. Be sure to seal up the drum unit
tightly so that toner powder does not spill out of the unit.
• Do not reset the page counter when replacing the toner cartridge only.
• It is recommended to clean the printer when you replace the drum unit. Refer to
3. ‘PERIODICAL CLEANING’ in this
1.2

Toner Cartridge

Toner low:
Toner empty:
Life expectancy:
Chapter.
The “TONER LOW” message appears at intervals on the LCD display
when the toner cartridge has nearly run out of toner.
The “TONER EMPTY” message appears on the LCD display when the
printer has run out of toner or the toner is not evenly distributed inside
the cartridge.
6,500 pages / toner cartridge
(When printing A4 or Letter size paper at 5% print coverage)
5-2
Fig. 5-2
Fig. 5-3
subsection