Replacing the Image Drum Unit (OKI P/N 40709901)
If the faxes you receive are light or have vertical streaks in them and you are not out of toner, or if your MFP machine displays a CHANGE DRUM message, your MFP machine needs a new image drum unit. Contact your dealer to order one.
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 10,000 pages for continuous printing, up to 8,000 pages at 3 pages per job, and about 4,500 pages at 1 page per job.
Warning: Never expose the image drum unit to light for more than 5 minutes. Never expose the image drum unit to direct sunlight. Always hold the image drum unit by the ends. Never touch the surface of the green drum inside the image drum unit.
CAUTION: If you open the top cover, you will see a label that reads:
1Lift the MFP machine’s top cover and swing it out of the way.