Routine maintenance
81
A
Replacing the drum unit
A
Model Name: DR-371CL
A new drum unit can print approximately
25,000 A4 or Letter size single-sided pages.
1
Drum life is approximate and may vary by type of
use.
IMPORTANT
For best performance, use a Brother
Original drum unit and Brother Original
toner units. Printing with a third-party drum
unit or toner unit may reduce not only the
print quality but also the quality and life of
the machine itself. Warranty coverage
may not apply to problems caused by the
use of a third-party drum unit or toner unit.
Drum !
A
The corona wires are coated with paper dust
or toner. Clean the corona wires in the four
drums (see
If you cleaned the corona wires and the
Drum
!
error is still displayed on the Touchscreen,
then the drum unit is at the end of its life.
Replace the drum unit with a new set.
Drum End Soon
A
The drum unit is nearing the end of its rated
life and will require replacement. We
recommend you keep a Brother Original
drum unit ready for installation. Buy a new
drum unit (DR-371CL) and have it ready
before you get a Replace Drum message.
Replace Drum
A
The drum unit has exceeded its rated life.
Replace the drum unit with a new one. We
recommend a Brother Original drum unit be
installed at this time.
When you replace the drum unit with a new
one, you must reset the drum counter.
Instructions of how to do this can be found in
the box your new drum unit came in.
Drum Stop
A
We cannot guarantee the print quality.
Replace the drum unit with a new one. We
recommend a Brother Original drum unit be
installed at this time.
When you replace the drum unit with a new
one, you must reset the drum counter.
Instructions of how to do this can be found in
the box your new drum unit came in.
Replacing the drum unit
A
IMPORTANT
• While removing the drum unit, handle it
carefully because it may contain toner. If
toner scatters on your hands or clothes,
wipe or wash it off with cold water at once.
• Every time you replace the drum unit,
clean the inside of the machine
(see
Cleaning and Checking the machine
• DO NOT unpack the new drum unit until
you are ready to install it. Exposure to
direct sunlight (or room light for long
periods of time) may damage the drum
unit.
a
Make sure the machine is turned on.