Samsung ML 2150 User Manual (ENGLISH) - Page 143
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UPC - 635753622201
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Problem Dropouts AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc Vertical lines AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc Solution If faded areas, generally rounded, occur randomly on the page: • A single sheet of paper may be defective. Try reprinting the job. • The moisture content of the paper is uneven or the paper has moist spots on its surface. Try a different brand of paper. See "Paper Specifications" on page G.3. • The paper lot is bad. The manufacturing processes can cause some areas to reject toner. Try a different kind or brand of paper. • The toner cartridge may be defective. See "Vertical repetitive defects" on the next page. • If these steps do not correct the problems, contact a service representative. If black vertical streaks appear on the page: • The drum inside the toner cartridge has probably been scratched. Install a new toner cartridge. Gray background AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc Toner smear If the amount of background shading becomes unacceptable, the procedures below may fix the problem. • Change to a lighter weight pages. See "Paper Specifications" on page G.3. • Check the printer's environment; very dry (low humidity) or high humidity (higher than 80% RH) conditions can increase the amount of background shading. • Remove the old toner cartridge and install a new one. See "Installing the Toner Cartridge" on page 2.4. • Clean the inside of the printer. See "Cleaning the Inside" on page 6.7. • Check the paper type and quality. See "Paper Specifications" on page G.3. • Remove the toner cartridge and install a new one. See "Installing the Toner Cartridge" on page 2.4. 7.16 SOLVING PROBLEMS