Brother International MFC 8890DW Users Manual - English - Page 147

Improving the print quality - printer drum

Page 147 highlights

Troubleshooting and routine maintenance Improving the print quality C Examples of poor print quality Recommendation „ Make sure that you use paper that meets our specifications. A rough surfaced paper or thick print media can cause the problem. (See C ABCDEFGH Acceptable paper and other print media on page 14.) abcdefghijk ABCD „ Make sure that you choose the appropriate media type in the printer driver or in the machine's Paper Type menu setting. (See Acceptable abcde 01234 paper and other print media on page 14 and Basic tab in the Software User's Guide on the CD-ROM.) „ The problem may disappear by itself. Print multiple pages to clear this White lines across the page problem, especially if the machine has not been used for a long time. „ The drum unit may be damaged. Put in a new drum unit. (See Replacing the drum unit on page 163.) ABCDEFGH abcdefghijk ABCD abcde 01234 White lines down the page „ Wipe the laser scanner windows with a dry, lint-free soft cloth. (See Cleaning the laser scanner window on page 154.) „ Make sure that a torn sheet of paper is not inside the machine covering the scanner window. „ The toner cartridge may be damaged. Put in a new toner cartridge. (See Replacing a toner cartridge on page 160.) „ The drum unit may be damaged. Put in a new drum unit. (See Replacing the drum unit on page 163.) „ Make sure that you use paper that meets our specifications. (See Acceptable paper and other print media on page 14.) „ Choose Thick paper mode in the printer driver, choose Thick in the machine's Paper Type menu setting or use thinner paper than you are currently using. (See Paper Type on page 22 and Basic tab in the Software User's Guide on the CD-ROM.) Hollow print „ Check the machine's environment. Conditions such as high humidity can cause hollow print. (See Choosing a location on page 104.) „ The drum unit may be damaged. Put in a new drum unit. (See Replacing the drum unit on page 163.) ABCDEFGH abcdefghijk ABCD abcde 01234 Gray background „ Make sure that you use paper that meets our specifications. (See Acceptable paper and other print media on page 14.) „ Check the machine's environment. Conditions such as high temperatures and high humidity can increase the amount of background shading. (See Choosing a location on page 104.) „ The toner cartridge may be damaged. Put in a new toner cartridge. (See Replacing a toner cartridge on page 160.) „ The drum unit may be damaged. Put in a new drum unit. (See Replacing the drum unit on page 163.) 131

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Troubleshooting and routine maintenance
131
C
Improving the print quality
C
Examples of poor print
quality
Recommendation
White lines across the page
Make sure that you use paper that meets our specifications. A rough
surfaced paper or thick print media can cause the problem. (See
Acceptable paper and other print media
on page 14.)
Make sure that you choose the appropriate media type in the printer
driver or in the machine’s Paper Type menu setting. (See
Acceptable
paper and other print media
on page 14 and
Basic tab
in the
Software
User’s Guide
on the CD-ROM.)
The problem may disappear by itself. Print multiple pages to clear this
problem, especially if the machine has not been used for a long time.
The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit
on page 163.)
White lines down the page
Wipe the laser scanner windows with a dry, lint-free soft cloth. (See
Cleaning the laser scanner window
on page 154.)
Make sure that a torn sheet of paper is not inside the machine
covering the scanner window.
The toner cartridge may be damaged. Put in a new toner cartridge.
(See
Replacing a toner cartridge
on page 160.)
The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit
on page 163.)
Hollow print
Make sure that you use paper that meets our specifications. (See
Acceptable paper and other print media
on page 14.)
Choose
Thick paper
mode in the printer driver, choose
Thick
in the
machine’s Paper Type menu setting or use thinner paper than you
are currently using. (See
Paper Type
on page 22 and
Basic tab
in the
Software User’s Guide
on the CD-ROM.)
Check the machine’s environment. Conditions such as high humidity
can cause hollow print. (See
Choosing a location
on page 104.)
The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit
on page 163.)
Gray
background
Make sure that you use paper that meets our specifications. (See
Acceptable paper and other print media
on page 14.)
Check the machine’s environment. Conditions such as high
temperatures and high humidity can increase the amount of
background shading. (See
Choosing a location
on page 104.)
The toner cartridge may be damaged. Put in a new toner cartridge.
(See
Replacing a toner cartridge
on page 160.)
The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit
on page 163.)
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
ABCDEFGH
abcdefghijk
ABCD
abcde
01234