
Troubleshooting and routine maintenance
107
B
Improving the print quality
B
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
Make sure that you choose the appropriate media type in the printer
driver or in the machine’s Paper Type menu setting. (See
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
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Wipe the laser scanner windows with a soft cloth. (See
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
The drum unit may be damaged. Put in a new drum unit. (See
Hollow print
Make sure that you use paper that meets our specifications. (See
Acceptable paper and other print media
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
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
The drum unit may be damaged. Put in a new drum unit. (See
Grey
background
Make sure that you use paper that meets our specifications. (See
Acceptable paper and other print media
Check the machine’s environment. Conditions such as high
temperatures and high humidity can increase the amount of
background shading. (See
The toner cartridge may be damaged. Put in a new toner cartridge.
(See
The drum unit may be damaged. Put in a new drum unit. (See
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Содержание MFC-7340
Страница 1: ...USER S GUIDE MFC 7340 MFC 7450 MFC 7440N MFC 7840N MFC 7840W Version A ARL ASA NZ ...
Страница 4: ...ii ...
Страница 11: ...Section I General I General information 2 Loading paper and documents 9 General setup 21 Security features 25 ...
Страница 17: ...General information 7 1 ...
Страница 82: ...Chapter 11 72 ...
Страница 83: ...Section III Copy III Making copies 74 ...
Страница 90: ...Chapter 12 80 ...
Страница 91: ...Section IV Software IV Software and Network features 82 ...
Страница 94: ...Chapter 13 84 ...