Turn the drum unit gear toward you by hand and look for any marks or material on the drum surface. Take the print sample and put it in front of the drum (see image below) to find the area of the drum that may be causing the dots.į. Hold down the lock lever on the right as you pull the toner cartridge out off the drum unit.Į. If you get toner on your hands or clothes, wash it off immediately with cold water.ĭ. NOTE: Be sure to place the drum unit on a clean, flat surface on top of a large piece of disposable paper to avoid spilling and scattering the toner.
Grasp the handle of the drum unit, lift the drum unit up and pull it out. Disconnect all cables and cords and then unplug the power cord.Ĭ. As stated, this cleaning process typically has to be repeated several times to remove certain kinds of foreign material from the drum unit surface.Ī. Cotton Swab lightly moistened with isopropyl (rubbing) alcohol.Īs a precaution please note: Isopropyl alcohol is flammable and should be kept away from fire or flame. Alcohol Swab, such as a medical alcohol pad or wipe, which can be found at a local retail pharmacy or first aid kit. Items required for cleaning the drum are: Typically more than one cleaning is required to fully remove material stuck to the drum surface. If the smudges and dots continue after making 20 blank copies, the drum surface may need to be cleaned manually. If the smudges or dots continue after making 10 blank copies but there is an improvement, print 10 more blank copies to clean the drum further. If the smudges or dots continue with no improvement after making 10 blank copies, go to STEP 3. If the smudges or dots no longer appear after making 10 blank copies, the issue is resolved. Clean the drum surface by inserting a clean sheet of blank white paper in the ADF and make 10 blank, white copies. Toner builds up on or sticks to these areas on the drum and creates black dots on the printed pages.Ģ. Dots are typically caused by foreign material inside the machine (for example paper dust, glue from labels or envelopes, paper clips, staples) sticking to or damaging the surface of the drum. (or 39mm) with about 7 8 dots down the page, the TONER cartridge is causing the issue. If the dot pattern repeats every 1.5 in. (or 94mm) with about 2 3 dots down the page, go to STEP 1. Take the printed page with the dots running down the page and measure the distance between the repeating dots or group of repeating dots.
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