Samsung SCX-4x28 Toner smear, Vertical repetitive, Defects, Misformed, Characters, Are dirty

CONDITION	SUGGESTED SOLUTIONS
Toner smear	• Clean the inside of the machine. See page 57.
	• Check the paper type and quality. See page 30.
	• Remove the toner cartridge and install a new
	one. See page 60.
Vertical repetitive	If marks repeatedly appear on the printed side of
defects	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 page 60.
	• Parts of the machine 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.

Misformed	• If characters are improperly formed and
characters	producing hollow images, the paper stock may
	be too slick. Try a different paper. See page 30.
	• If characters are improperly formed and
	producing a wavy effect, the scanner unit may
	need service. For service, contact a service
	representative.

CONDITION	SUGGESTED SOLUTIONS
Page skew	• Ensure that the paper is loaded properly.

AaBbCc	• Check the paper type and quality. See page 30.
	• Ensure that the paper or other material is loaded
	correctly and the guides are not too tight or too
AaBbCc
	loose against the paper stack.
AaBbCc
AaBbCc
AaBbCc

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 page 30.

• 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 page 30.

•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 the
are dirty	machine. See page 57.

Solid Color or	• The toner cartridge may not be installed
Black pages	properly. Remove the cartridge and reinsert it.

A	•	The toner cartridge may be defective and need
		replacing. Remove the toner cartridge and install
		a new one. See page 60.
	•	The machine may require repair. Contact a
		service representative.

72_Troubleshooting