Brother DCP 9040CN Manuel d'utilisateur télécharger pdf (Page 66)

Improving the print quality C

If you have a print quality problem, print a test page first (Menu, 3, 2, 3). If the printout looks good,

the problem is probably not the machine. Check the interface cable or try the machine on another

computer.

Note

You can resolve a print quality problem by replacing a toner cartridge with a new one when the

LCD shows the Toner Life End message.

Examples of poor print

quality

Recommendation

White lines or bands or ribbing

across the page

 Make sure that the machine is on a solid level surface.

 Make sure that the toner cartridges are installed properly. (See

Replacing a toner cartridge on page 101.)

 Shake the toner cartridges gently.

 Make sure that the drum unit is installed properly. (See Replacing the

drum unit on page 106.)

 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 media on page 12.)

 Clean the laser scanner windows with a soft cloth. (See Cleaning the

laser scanner windows on page 83.)

 The drum unit may be damaged. Put in a new drum unit. (See

Replacing the drum unit on page 106.)

Colors are light or unclear on

the whole page.

 Make sure that the recommended paper was used.

 Change the paper to freshly unpacked paper.

 Make sure that the front cover is closed properly.

 Shake the toner cartridges gently.

 Clean the laser scanner windows with a soft cloth. (See Cleaning the

laser scanner windows on page 83.)

 Turn off Toner Save. (See Toner save on page 23.)

White streaks or bands down

the page

 Shake the toner cartridges gently.

 Clean the laser scanner windows with a soft cloth. (See Cleaning the

laser scanner windows on page 83.)

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Brother DCP 9040CN Manuel d'utilisateur Page 66