Brother DCP-7055 manual 71

	Troubleshooting
Examples of poor print quality	Recommendation
	 Make sure that you use paper that meets our specifications. See
	Acceptable paper and other print media on page 15.
	 Check the machine’s environment. Conditions such as high
ABCDEFGH
abcdefghijk	temperatures and high humidity can increase the amount of
A B C D	background shading. See the Safety and Legal booklet.
	 Put in a new toner cartridge. See Replacing the toner cartridge
a b c d e
	on page 29.
0 1 2 3 4
	 Put in a new drum unit. See Replacing the drum unit on page 35.

Grey background

Make sure that you use paper that meets our specifications. Rough-surfaced paper or thick print media may cause this problem. See Acceptable paper and other print media

on page 15.

Make sure that you choose the correct media type in the printer driver or in the machine’s Paper Type menu setting. See Acceptable paper and other print media on page 15 and Basic tab in Chapter 2 of the Software User's Guide.

Choose Reduce Ghosting mode in the printer driver. See Ghost

Ghost	Reduction Setting in Chapter 2 (for Windows®) or Chapter 8 (for	B
	Macintosh) of the Software User's Guide.

Put in a new toner cartridge. See Replacing the toner cartridge on page 29.

Put in a new drum unit. See Replacing the drum unit on page 35.

The fuser unit may be contaminated. Call your Brother dealer.

Make sure that you use paper that meets our specifications.

	Rough-surfaced paper may cause the problem. See Acceptable
ABCDEFGH	paper and other print media on page 15.
	 Clean the corona wire and the drum unit. See Cleaning the corona
abcdefghijk
A B C D	wire on page 42 and Cleaning the drum unit on page 43.
a b c d e	 The drum unit may be damaged. Put in a new drum unit. See
0 1 2 3 4	Replacing the drum unit on page 35.
	 The fuser unit may be contaminated. Call your Brother dealer.
Toner specks

65