Image defect examples
ABCDEFGH 
abcdefghijk
A B C D a b c d e 0 1 2 3 4
Black Horizontal repetitive
defects
Toner scatters and stains the printed page.
ABCDEFGH abcdefghijk
A B C D a b c d e 0 1 2 3 4
White horizontal stripes
ABCDEFGH abcdefghijk
A B C D a b c d e 0 1 2 3 4
Horizontal Lines
ABCDEFGH abcdefghijk
A B C D a b c d e 0 1 2 3 4
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 us e” 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.