Brother International HL 1250 Users Manual - English - Page 96
See How to, Clean the printer interior and the primary corona wire in - laser printer problems
UPC - 012502525837
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Image defect examples ABCDEFGH abcdefghijk ABCD abcde 01234 Black Horizontal repetitive defects Toner scatters and stains the printed page. ABCDEFGH abcdefghijk ABCD abcde 01234 White horizontal stripes ABCDEFGH abcdefghijk ABCD abcde 01234 Horizontal Lines ABCDEFGH abcdefghijk ABCD abcde 01234 Black Vertical lines Printed pages are stained with toner or have vertical stripes. Recommendation • The drum unit may be damaged. Install a new drum unit. See "How to replace the Drum unit" in Chapter 3. • Make sure that you use paper that meets specifications. See "What kind of paper can I use" in Chapter 1. Note • If you use label sheets for laser printers, the glue from the sheets may sometimes stick to the OPC drum surface. Clean the drum unit. See the previous page. • Do not use paper which has clips or staples because they will scratch the surface of the drum. • If the unpacked drum unit is subject to excessive direct sunlight or room light, the unit may be damaged. • Make sure that you use paper that meets the specifications. A rough surfaced paper or thick media can cause the problem. • Make sure that you select the appropriate media type in the printer driver. • The problem may disappear by itself. Try printing multiple pages to clear this problem especially if the printer has not been used for a long time. • The drum unit may be damaged. Install a new drum unit. See "How to replace the Drum unit" in Chapter 3. • Clean the printer interior and the primary corona wire in the drum unit. See "How to clean the printer" in Chapter 3. • The drum unit may be damaged. Install a new drum unit. See "How to replace the Drum unit" in Chapter 3. • Clean the primary corona wire of the drum unit. See "How to clean the printer interior and Drum unit". • Make sure that the primary corona wire cleaner is at the home position. • The drum unit may be damaged. Install a new drum unit. See "How to replace the Drum unit" in Chapter 3. • The toner cartridge may be damaged. Install a new toner cartridge. See "How to replace the Toner cartridge" in Chapter 3. Make sure that a torn piece of paper is not inside the printer covering the scanner window. • The fixing unit may be smudged. Call customer support. 4-22