Drum units – Brother Fax Machine/Multi-Function Center MFC-9125CN User Manual
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Drum units
C
Order No. DR-210CL 4 pc. Drum Set or single 
drums DR-210CL-BK, DR-210CL-CMY
A new drum unit can print approximately 
15,000 A4 or Letter size single-sided pages. 
DR-210CL Drum Set contains 4 drum units 
1 Black (DR-210CL-BK) and 3 Color 
(DR-210CL-CMY). DR-210CL-BK contains 
1 Black drum. DR-210CL-CMY contains 
1 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 LCD display 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 will need to replace all of the drums 
at once (unless you have replaced an 
individual drum [DR-210CL-BK for black and 
DR-210CL-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-210CL).
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 third-party 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 
third-party drum unit.
