Dell 2145cn manual AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc

	CONDITION	SUGGESTED SOLUTIONS
Color or Black		If the amount of background shading becomes
background		unacceptable:
		• Change to a lighter weight paper. See
		"Selecting print media" on page 24.
		• Check the printer’s environment: very dry
		(low humidity) or high humidity (higher than
		80% RH) conditions can increase the
		amount of background shading.
		• Remove the old toner cartridge and install
		a new one. See "Replacing the toner
		cartridge" on page 59.

	CONDITION	SUGGESTED SOLUTIONS
Misformed		• If characters are improperly formed and
characters		producing hollow images, the paper stock
		may be too slick. Try a different paper. See
		"Selecting print media" on page 24.
		• If characters are improperly formed and
		producing a wavy effect, the scanner unit
		may need service. For service, contact a
		service representative.

Toner smear	•	Clean the inside of the printer. See
		"Cleaning the inside" on page 56.
	•	Check the paper type and quality. See
		"Selecting print media" on page 24.

•Remove the toner cartridge and install a

new one. See "Replacing the toner cartridge" on page 59.

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•Ensure that the paper is loaded properly.

•Check the paper type and quality. See "Selecting print media" on page 24.

•Ensure that the paper or other material is loaded correctly and the guides are not too tight or too loose against the paper stack.

Vertical repetitive	If marks repeatedly appear on the printed side
defects	of the page at even intervals:
	• The toner cartridge may be damaged. If a
	repetitive mark occurs on the page, print a
	cleaning sheet several times to clean the
	cartridge. After the printout, if you still have
	the same problems, remove the toner
	cartridge and install a new one. See
	"Replacing the toner cartridge" on page 59.
	• Parts of the printer may have toner on
	them. If the defects occur on the back of
	the page, the problem will likely correct
	itself after a few more pages.
	• The fusing assembly may be damaged.
	Contact a service representative.

Background scatter Background scatter results from bits of toner
		randomly distributed on the printed page.
	A	• The paper may be too damp. Try printing
		with a different batch of paper. Do not open
		packages of paper until necessary so that
		the paper does not absorb too much
		moisture.
		• If background scatter occurs on an
		envelope, change the printing layout to
		avoid printing over areas that have
		overlapping seams on the reverse side.
		Printing on seams can cause problems.

•If background scatter covers the entire surface area of a printed page, adjust the print resolution through your software application or the printer properties.

Curl or wave	• Ensure that the paper is loaded properly.
	• Check the paper type and quality. Both high
	temperature and humidity can cause paper
	curl. See "Selecting print media" on
	page 24.
	• Turn over the stack of paper in the tray. Also
	try rotating the paper 180° in the tray.

Wrinkles or creases • Ensure that the paper is loaded properly.

•Check the paper type and quality. See "Selecting print media" on page 24.

•Turn over the stack of paper in the tray. Also

try rotating the paper 180° in the tray.

Back of printouts	• Check for leaking toner. Clean the inside of
are dirty	the printer. See "Cleaning the inside" on
	page 56.

76 Troubleshooting