Brother International DCP-L2550DW Online Users Guide HTML - Page 489
Examples of poor print quality, Recommendation, ABCD
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Examples of poor print quality Recommendation • Check the machine's environment. Conditions such as high humidity and high temperatures may cause this print quality problem. • Clean the drum unit. • If the problem is not solved after printing a few pages, replace the drum unit with a new drum unit. White lines, bands or ribbing across the page • White Spots on black text and graphics at 3.7 in. (94 mm) • intervals Make 10-15 copies of a blank, white sheet of paper. If the problem is not solved after printing the blank pages, the drum unit may have foreign material, such as glue from a label, stuck on the drum. Clean the drum unit. See Related Information:Clean the Drum Unit Using Drum Dot Print. The drum unit may be damaged. Replace the drum unit with a new drum unit. Black spots at 3.7 in. (94 mm) intervals ABCDEFGH abcdefghijk ABCD abcde 01234 Black toner marks across the page ABCDEFGH abcdefghijk ABCD abcde 01234 Black lines down the page Printed pages have toner stains down the page • If you use label sheets for laser printers, the glue from the sheets may sometimes stick to the drum surface. Clean the drum unit. See Related Information:Clean the Drum Unit Using Drum Dot Print. • If you used paper that has clips or staples, the drum unit may be damaged. • If the unpacked drum unit is in direct sunlight (or room light for long periods of time), the unit may be damaged. • Clean the drum unit. • The toner cartridge may be damaged. Replace the toner cartridge with a new toner cartridge. • The drum unit may be damaged. Replace the drum unit with a new drum unit. • Clean the corona wire inside the drum unit by sliding the green tab. Make sure that the green tab on the drum unit is in the Home position. • The toner cartridge may be damaged. Replace the toner cartridge with a new toner cartridge. • The drum unit may be damaged. Replace the drum unit with a new drum unit. • The fuser unit may be contaminated. Contact Brother Customer Service. In USA: 1-877-BROTHER (1-877-276-8437) In Canada: www.brother.ca/support 482