Brother HL-1800 Series User Manual page 166

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. Put in a new drum unit.
"Replacing the drum unit" in Chapter 5.
•
Make sure you use paper that meets our specifications.
"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 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 in direct sunlight or room light, it may
be damaged.
•
Make sure you use paper that meets our specifications. Rough
or thick paper can cause the problem.
Can I Use" in Chapter 1.
•
Make sure you chose the appropriate media type in the printer
driver.
•
The problem may disappear by itself. Try printing a few pages to
clear this problem especially if you have not used the printer for a
long time.
•
The drum unit may be damaged. Put in a new drum unit.
"Replacing the drum unit" in Chapter 5.
•
The Drum Unit may be damaged. Put in a new Drum Unit.
"Replacing the drum unit" in Chapter 5.
•
The Toner Cartridge may be damaged. Put in a new Toner
Cartridge. See "Replacing the Toner Cartridge" in Chapter 5.
•
The fixing unit may be smudged. Call Customer Support.
•
Clean the Corona Wire. See
Chapter 5.
•
Return the tab on the drum unit to the Home position.
6-27
CHAPTER 6 TROUBLESHOOTING
See "What Kind of Paper
"Cleaning the Corona Wire" in
See
See
See
See