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Routine maintenance
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A
Replacing the drum units A
Order No. DR-221CL 4 pc. Drum Set or single
drum units DR-221CL-BK, DR-221CL-CMY
A new drum unit can print approximately
15,000 Letter or A4 size single-sided pages.
DR-221CL Drum Set contains four drum
units, one Black (DR-221CL-BK) and three
Color (DR-221CL-CMY).
DR-221CL-BK contains one Black drum.
DR-221CL-CMY contains one Color drum.
Drum wear and tear occurs due to use and
rotation of the drum and interaction with
paper, toner and other materials in the paper
path. In designing this product, Brother
decided to use the number of rotations of the
drum as a reasonable determinant of the
drum life. When a drum reaches the factory-
established rotation limit corresponding to the
rated page yield, the product’s Touchscreen
LCD will advise you to replace the applicable
drum(s). The product will continue to function;
however, print quality may not be optimal.
As the drums rotate in unison during the
various stages of operation (regardless of
whether toner is deposited on the page) and
because damage to a single drum unit is not
likely, you must replace all of the drums at
once (unless you replaced an individual drum
[DR-221CL-BK for Black and
DR-221CL-CMY for Color] for reasons other
than reaching its rated life). For your
convenience, Brother sells the drum units as
a set of four (DR-221CL).
NOTE
• There are many factors that determine the
actual drum life, such as the temperature,
humidity, type of paper, type of toner used
and so on. Under ideal conditions, the
average drum life is estimated at
approximately 15,000 pages. The actual
number of pages that your drum will print
may be significantly less than this
estimate. Because we have no control
over the many factors that determine the
actual drum life, we cannot guarantee a
minimum number of pages that will be
printed by your drum.
• For best performance, use only genuine
Brother toner. The machine should be
used only in a clean, dust-free
environment with adequate ventilation.
• Printing with a non-Brother drum unit may
reduce not only the print quality but also
the quality and life of the machine itself.
Warranty coverage does not apply to
problems caused by the use of a
non-Brother drum unit.
Drum ! A
The corona wires are dirty. Clean the corona
wires in the four drum units (see Cleaning the
corona wires on page 82).
If you cleaned the corona wires and the
Drum ! error was not cleared, then the drum
unit is at the end of its life. Replace the drum
units with a new set.