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7. Reinsert the toner cartridge firmly into the new drum unit until you hear it lock into place.
2
1
Make sure you put the toner cartridge in correctly or it may separate from the drum unit.
8. Clean the corona wire inside the drum unit by gently sliding the green tab from left to right and right to left
several times.
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.
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