Dell 1815dn Multifunction Mono Laser Printer User Manual page 144

Toner smear
Vertical repetitive defects
Background scatter
Misformed characters
Page skew
Curl or wave
Wrinkles or creases
Back of printouts are dirty
• Clean the inside of the printer. See
• Check the paper type and quality. See
• Remove the toner cartridge and install a new one. See
If marks repeatedly appear on the printed side 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; see "Cleaning the
toner cartridge. See "Replacing the Toner
• 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 results from bits of toner distributed on the printed page.
• 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.
• If characters are improperly formed and produce hollow images, the paper stock may be too slick. Try a different paper.
See "Paper Specifications".
• If characters are improperly formed and produce a wavy effect, the scanner unit may need service. For service, contact a
service representative.
• Ensure that the paper is loaded properly.
• Check the paper type and quality. See
• Ensure that the paper or other material is loaded correctly and the guides are not too tight or too loose against the
paper stack.
• Ensure that the paper is loaded properly.
• Check the paper type and quality. Both high temperatures and humidity can cause paper curl. See
Specifications".
• Turn over the stack of paper in the paper tray. Also try rotating the paper 180° in the paper tray.
• Try printing to the rear cover.
• Ensure that the paper is loaded properly.
• Check the paper type and quality. See
• Turn over the stack of paper in the paper tray. Also try rotating the paper 180° in the paper tray.
• Try printing to the rear cover.
Check for leaks in the toner. Clean the inside of the printer. See
"Cleaning the Interior".
"Paper Specifications".
"Replacing the Toner
Drum". After the printout, if you still have the same problems, install a new
Cartridge".
"Paper Specifications".
"Paper Specifications".
"Cleaning the
Cartridge".
"Paper
Interior".