Resetting the Drum Counter
It is important to clear the drum counter after replacing the image drum. This enables the printer to display an accurate warning message when the drum has reached end of life. If the drum is not replaced after it has reached end of life, print quality becomes poor.
1. Maximize the printer Status Monitor Display
2. Click the Printer Menu button
3. Click the Maintenance tab
4. Click the Drum Counter Reset button.
Image Drum Cartridge Life
The life of an image drum depends on a number of factors, including temperature and humidity, the type of paper you use, and the number of pages per job.
The image drum cartridge should last about 12,000 pages at one page per job, 16,000 pages at three pages per job, 18,000 pages at seven pages per job and 20,000 pages at fifteen pages per job. These numbers are approximate, since you do not print the same number of pages each time, and environmental condi- tions and paper type used may vary.
When to Replace the Image Drum Cartridge
When the drum reaches 90% of its life, the Status Monitor displays CHG DRUM. At this point, be sure you have a new drum on hand (Part 56116801). Replace the old one as soon as the print quality becomes faint or starts to deteriorate.
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