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CHAPTER 6 TROUBLESHOOTING
6-29
Image defect examples Recommendation
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
Black Horizontal repetitive defects
Toner scatters and stains the printed
page.
• The Toner cartridge may be damaged. Install a new Toner
cartridge. See "Replacing the Toner cartridge" in Chapter 5.
• Make sure 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 that 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.
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
White horizontal stripes
• Make sure you use paper that meets the specifications. Rough
surfaced paper or thick media can cause the problem. See “What
kind of paper can I use” in Chapter 1.
• Make sure 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 Toner cartridge may be damaged. Install a new Toner
cartridge. See "Replacing the Toner cartridge" in Chapter 5.
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
Horizontal Lines
• The drum unit may be damaged. Install a new Drum unit. See
"Replacing the Drum unit" in Chapter 5.
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
Black Vertical lines
Printed pages are stained with toner
or have vertical stripes.
• The Toner cartridge may be damaged. Install a new Toner
cartridge. See "Replacing the Toner cartridge" in Chapter 5.
• 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.
• Clean the corona wire. See "Cleaning the corona wire" in
Chapter 5.
• Return the tab to the home position.