Brother FAX-2840 manual 108

Examples of poor print quality		Recommendation
		 If you use label sheets for laser printers, the glue from the sheets
		may sometimes stick to the OPC drum surface. Clean the drum
		unit. (See Advanced User’s Guide: Cleaning the drum unit)
ABCDEFGH
		 Make sure that you use paper that meets our specifications. (See
abcdefghijk
A B C D		Acceptable paper and other print media uu page 16.)
a b c d e		 Do not use paper that has clips or staples because they will
0 1 2 3 4		scratch the surface of the drum.
		 If the unpacked drum unit is in direct sunlight or room light, the unit
Black toner marks across the		may be damaged.
		 The toner cartridge may be damaged. Put in a new toner
	page
		cartridge. (See Replacing the toner cartridge uu page 55.)

The drum unit may be damaged. Put in a new drum unit. (See Replacing the drum unit uu page 62.)

Clean the corona wire inside the drum unit by sliding the green

		tab. (See Cleaning the corona wire uu page 60.)
		 Make sure the green tab of the corona wire is at the home
	ABCDEFGH
	abcdefghijk	position (a).
	A B C D	 The drum unit may be damaged. Put in a new drum unit. (See
	a b c d e	Replacing the drum unit uu page 62.)
0 1 2 3 4		 The toner cartridge may be damaged. Put in a new toner
		cartridge. (See Replacing the toner cartridge uu page 55.)
Black lines down the page		 The fuser unit may be contaminated. Call Brother Customer
		Service.
Printed pages have toner stains
down the page.

	 The toner cartridge may be damaged. Put in a new toner
	cartridge. (See Replacing the toner cartridge uu page 55.)
	 The drum unit may be damaged. Put in a new drum unit. (See
ABCDEFGH
abcdefghijk	Replacing the drum unit uu page 62.)
A B C D	 Check if the Toner Settings of Replace Toner is Continue
a b c d e	(Continue mode), by pressing Menu, 1, 7. (See Advanced User’s
0 1 2 3 4	Guide: Toner Settings.)
	 Make sure that foreign material such as a torn piece of paper,
White lines down the page	sticky notes or dust is not inside the machine and around the drum
	unit and toner cartridge.

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