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Troubleshooting_ 14
Copying problems
Scanning problems
Curl If the printed paper is curled or paper does not
feed into the machine:
• T
urn 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 (See "Opening printing
preferences" on page 2).
An unknown image
repetitively
appears on a few
sheets or loose
toner, light print, or
contamination
occurs.
Your machine 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 select a
correct altitude of your machine location (See
"Altitude adjustment" on page 1).
Condition Suggested solution
Copies are too light
or too dark.
Use Darkness in Copy feature to lighten or
darken the backgrounds of copies (See
"Changing the settings for each copy" on
page 1).
Smears, lines,
marks, or spots
appear on copies.
• If the defects are on the original, use
Darkness in Copy feature to lighten the
background of your copies (See "Changing
the settings for each copy" on page 1).
• If
there are no defects on the original, clean
the scan unit (See "Cleaning the scan unit" on
page 3).
Copy image is
ske
wed.
• Ensure that the original is face down on the
scanner glass.
• Check that the
copy paper is loaded correctly.
Blank copies print
ou
t.
Ensure that the original is face down on the
scanner glass.
Image rubs off the
copy easily.
• Repl
ace the paper in the tray with paper from
a new package.
• In high humidity areas, do not leave paper in
the machine for extended periods of time.
Frequent copy paper
ja
ms occur.
• Fan the stack of paper, then turn it over in the
tray. Replace the paper in the tray with a fresh
supply. Check/adjust the paper guides, if
necessary.
• En
sure that the paper is the proper paper
weight.
• Check for copy paper or pieces of copy paper
remaining in the machine after a paper jam
has been cleared.
Condition Suggested Solutions
Toner cartridge
produces fewer
copies than
expected before
running out of toner.
• Your originals may contain pictures, solids, or
heavy lines. For example, your originals may
be forms, newsletters, books, or other
documents that use more toner.
• T
he scanner lid may be left open while copies
are being made.
• T
urn the machine off and back on.
Condition Suggested solutions
The scanner does not
work.
• Make sure that you place the original to be
scanned face down on the scanner glass.
• T
here may not be enough available memory
to hold the document you want to scan. Try
the Prescan function to see if that works.
Try lowering the scan resolution rate.
• Ch
eck that the machine cable is connected
properly.
• Make sure that th
e machine cable is not
defective. Switch the cable with a known
good cable. If necessary, replace the cable.
• Ch
eck that the scanner is configured
correctly. Check scan setting in the
SmarThru or the application you want to use
to make certain that the scanner job is being
sent to the correct port (for example,
USB001).
The unit scans very
slo
wly.
• Check if the machine is printing received
data. If so, scan the document after the
received data has been printed.
• Graphics are scanned more slowly than text.
• Co
mmunication speed slows in scan mode
because of the large amount of memory
required to analyze and reproduce the
scanned image. Set your computer to the
ECP printer mode through BIOS setting. It
will help to increase the speed. For details
about how to set BIOS, refer to your
computer user’s guide.
Condition Suggested solution