Samsung MultiXpress X740x Series User Manual page 268

Solving other problems
Condition
An unknown Your machine is probably being used at an altitude of 1,000 m
image (3,281 ft) or above.
repetitively
The high altitude may affect the print quality, such as loose
appears on a
toner or light imaging. Change the correct altitude setting to
few sheets or
your machine.
loose toner,
light print, or
contamination
occurs.
20
Copying problems
Condition
Copies are too Tap Copy from the home screen or Apps. You can adjust the
light or too dark darkness level of a copy if needed for easier reading if the
original contains faint markings or dark images (see
"Changing Darkness" on page 108).
Smears, lines, • If the defects are on the original, tap Copy from the home
screen or Apps (see "Changing Darkness" on page 108).
marks, or spots
appear on copies.
• If there are no defects on the original, clean the scan unit.
Cleaning the scan unit or contact a service
representative.
Suggested Solutions
Suggested solution
Condition
Copy image is • Ensure that the original is face down on the scanner glass
or face up in the DSDF.
skewed.
• Check that the copy paper is loaded correctly.
• If the problem persists, the machine may require repair.
Contact a service representative.
Blank copies Ensure that the original is face down on the scanner glass or
print out. face up in the DSDF.
Image rubs off • Replace the paper in the tray with paper from a new
package.
the copy easily.
• In high humidity areas, do not leave paper in the machine
for extended periods of time.
Frequent copy • Fan the paper, then turn it over end for end and place it
back in the tray. Replace the paper in the tray with a fresh
paper jams occur.
supply. Check/adjust the paper guides, if necessary.
• Ensure 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.
Toner cartridge • Your originals may contain pictures, solids, or heavy lines.
For example, your originals may be forms, newsletters,
produces fewer
books, or other documents that use more toner.
copies than
expected before
• The DSDF may be left open while copies are being made.
running out of
• The machine may be turned on and off frequently.
toner.
Suggested solution
10. Troubleshooting
268