Ricoh Aficio SP 1200SF User's Guide - Page 134
ABCDEFGH, Black toner marks across
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Examples of poor print quality ABCDEFGH abcdefghijk ABCD abcde 01234 Black toner marks across the page ABCDEFGH abcdefghijk ABCD abcde 01234 Recommendation Make sure that you use paper that meets our specifications. (See Acceptable paper and other print media on page 16.) If you use label sheets for laser machines, the glue from the sheets may sometimes stick to the OPC drum surface. Clean the drum unit. (See Cleaning the drum unit on page 143.) Do not use paper that has clips or staples because they will scratch the surface of the drum. If the unpacked drum unit is in direct sunlight or room light, the unit may be damaged. The toner cartridge may be damaged. Put in a new toner cartridge. (See Replacing a toner cartridge on page 146.) The drum unit may be damaged. Put in a new drum unit. (See Replacing the drum unit on page 149.) Clean the laser scanner window and the corona wire inside the drum unit. (See Cleaning the laser scanner window on page 139 and Cleaning the corona wire on page 141.) The drum unit may be damaged. Put in a new drum unit. (See Replacing the drum unit on page 149.) Line across the page ABCDEFGH abcdefghijk ABCD abcde 01234 Black lines down the page Printed pages have toner stains down the page Clean the corona wire inside the drum unit by sliding the blue tab. Be sure to return the blue tab to the home position (a). (See Cleaning the corona wire on page 141.) The toner cartridge may be damaged. Put in a new toner cartridge. (See Replacing a toner cartridge on page 146.) The drum unit may be damaged. Put in a new drum unit. (See Replacing the drum unit on page 149.) The fuser unit may be smudged. Call your dealer for service. 124