Brother International HL 1850 Users Manual - English - Page 166

Printed s are stained with toner, or have vertical stripes.

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CHAPTER 6 TROUBLESHOOTING Image Defect Examples ABCDEFGH abcdefghijk ABCD abcde 01234 Black Horizontal Repetitive Defects Toner scatters and stains the printed page. ABCDEFGH abcdefghijk ABCD abcde 01234 White Horizontal Stripes ABCDEFGH abcdefghijk ABCD abcde 01234 Horizontal Lines Recommendation • The drum unit may be damaged. Put in a new drum unit. See "Replacing the drum unit" in Chapter 5. • Make sure you use paper that meets our 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 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. See "What Kind of Paper 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. See "Replacing the drum unit" in Chapter 5. • The Drum Unit may be damaged. Put in 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. 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 "Cleaning the Corona Wire" in Chapter 5. • Return the tab on the drum unit to the Home position. 6-27

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CHAPTER 6 TROUBLESHOOTING
6-27
Image Defect Examples
Recommendation
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
Black Horizontal Repetitive Defects
Toner scatters and stains the printed
page.
•
The drum unit may be damaged. Put in a new drum unit.
See
"Replacing the drum unit" in Chapter 5.
•
Make sure you use paper that meets our 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 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.
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
White Horizontal Stripes
•
Make sure you use paper that meets our specifications. Rough
or thick paper can cause the problem.
See “What Kind of Paper
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.
See
"Replacing the drum unit" in Chapter 5.
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
Horizontal Lines
•
The Drum Unit may be damaged. Put in 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. 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
"Cleaning the Corona Wire" in
Chapter 5.
•
Return the tab on the drum unit to the Home position.