User's Manual

78 _Troubleshooting
Copying problems
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 33.
• 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 33.
• Turn over the stack of paper in the tray. Also try
rotating the paper 180° in the tray.
Back of printouts
are dirty
• Check for leaking toner. Clean the inside of the
machine. See page 62.
Solid Color or
Black pages
• The print cartridge may not be installed properly.
Remove the cartridge and reinsert it.
• The print cartridge may be defective and need
replacing. Remove the print cartridge and install
a new one. See page 65.
• The machine may require repair. Contact a
service representative.
Loose toner • Clean the inside of the machine. See page 62.
• Check the paper type and quality. See page 33.
• Remove the print cartridge and install a new
one. See page 65.
• If the problem persists, the machine may require
repair. Contact a service representative.
CONDITION SUGGESTED SOLUTIONS
A
Character Voids Character voids are white areas within parts of
characters that should be solid black:
• If you are using transparencies, try another
type of transparency. Because of the
composition of transparencies, some character
voids are normal.
• You may be printing on the wrong surface of
the paper. Remove the paper and turn it
around.
• The paper may not meet paper specifications.
See page 33.
Horizontal stripes If horizontally aligned black streaks or smears
appear:
• The print cartridge may be installed improperly.
Remove the cartridge and reinsert it.
• The print cartridge may be defective. Remove
the print cartridge and install a new one. See
page 65.
• If the problem persists, the machine may
require repair. Contact a service
representative.
Curl If the printed paper is curled or paper does not feed
into the machine:
• Turn over the stack of paper in the tray. Also try
rotating the paper 180° in the tray.
• Change the printer option and try again. Go to
printer properties, click Paper tab, and set type
to Thin Paper. Refer to the Software section
for details.
• Use the Paper Stacking function. See page
38.
An unknown image
repetitively appears
on a next few
sheets or loose
toner, light print, or
contamination
occurs.
Your printer is probably being used at an altitude of
1,000 m (3,281 ft) or above.
The high altitude may affect the print quality such
as loose toner or light imaging. You can set this
option through Printer Settings Utility or Printer
tab in printer driver’s properties. See page 29.
CONDITION SUGGESTED SOLUTIONS
Copies are too light
or too dark.
Use Darkness to darken or lighten the
background of the copies.
Smears, lines,
marks, or spots
appears on copies.
• If defects are on the original, use Darkness
to lighten the background of your copies.
• If no defects are on the original, clean the
scan unit. See page 63.
Copy image is
skewed.
• Ensure that the original is face down on the
scanner glass or face up in the ADF.
• Check that the copy paper is loaded
correctly.
Blank copies print
out.
Ensure that the original is face down on the
scanner glass or face up in the ADF.
CONDITION SUGGESTED SOLUTIONS
A
AaBbCc
AaBbCc
AaBbCc
AaBbCc
AaBbCc