Dell 2355DN User Guide - Page 286

Printing Quality Problems The inside of the printer may be dirty or improper paper loading may reduce the print quality. See the table below to clear the problem. Condition Light or faded print AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc Toner specks AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc Suggested solutions If a vertical white streak or faded area appears on the page: • The toner supply is low. You may be able to temporarily extend the toner cartridge life. See "Redistributing Toner". If this does not improve the print quality, install a new toner cartridge. • The paper may not meet paper specifications; for example, the paper is too moist or too rough. See "Paper Specifications". • A combination of faded or smeared defects may indicate that the toner cartridge needs cleaning. See "Cleaning the Interior". • The surface of the LSU part inside the printer may be dirty. Clean the LSU (see "Cleaning the Interior"). • The paper may not meet specifications; for example, the paper is too moist or too rough. See "Paper Specifications". • The transfer roller may be dirty. Clean the inside of your printer. See "Cleaning the Interior". • The paper path may need cleaning. See "Cleaning the Drum". Dropouts AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc 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". • The paper lot is bad. The manufacturing process can cause some areas to reject toner. Try a different kind or brand of paper. • The toner cartridge may be defective. "Vertical repetitive defects" on the next page. • If these steps do not correct the problems, contact a service representative. 285