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Be sure to return the green tab to the Home position (a). The arrow on the tab must be aligned with the
arrow on the drum unit. If it is not, printed pages may have a vertical stripe.
9. Slide the toner cartridge and drum unit assembly into the machine. Make sure that you match the toner
cartridge color to the same color label on the machine.
BK
C
M
Y
10. Close the machine's top cover.
11. Reset the drum counter by following the next section.
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. 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 artificial 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 20,000 pages based on one 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.
• The machine should be used only in a clean, dust-free environment with adequate ventilation.
• We recommend using genuine Brother supplies to ensure stable print quality and performance. Although
not all non-genuine supplies may cause quality issues, it is possible that some may adversely affect print
quality or cause machine malfunction. Brother may charge for repairing your machine if it is proven that
non-genuine supplies caused the damage, even if the machine is still covered by the warranty.
IMPORTANT
• To avoid print quality issues or damage to the machine, DO NOT reset the drum counter unless you are
replacing the drum unit.
• If you reset the drum counter without replacing the drum unit, the machine will not be able to correctly
calculate the remaining drum life.
Reset the Drum Counter
1. Make sure the machine is turned on.
2. Press and hold
for about five seconds.
3. Press [Drum].
506
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