8. Close the front cover of the machine.
After installing the new drum unit, you must reset the drum counter. See Related Information: Reset the
Drum Counter.
NOTE
• 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 LCD will advise you to
replace the drum. The product will continue to function; however, print quality may not be optimal.
• If an unpacked drum unit is placed in direct sunlight (or room light for long periods of time), the unit may
be damaged.
• 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 12,000 pages (based on 1 page per job [A4/Letter single-sided pages]. The number of
pages may be affected due to a variety of factors including but not limited to media type and media size.
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.
Related Information
• Replace Supplies
Related Topics:
• Error and Maintenance Messages
• Improve the Print Quality
• Reset the Drum Counter
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