Lenovo M720 Manual page 137

Symptom
Poor quality from scan or
copy feature.
Including:
• Blank page
• Checkerboard
pattern
• Distorted graphics
or pictures
• Missing characters
• Faded print
• Dark print
• Skewed lines
• Smudges
• Streaks
• Unexpected
characters
• White lines in print
Question
Has the Lighter/Darker
setting on the All-In-One
been changed?
Is the original document
or image placed properly
on the scanner glass?
Is the copy setting in the
All-In-One Center set
correctly?
Are you copying or
scanning a magazine or
newspaper?
Is the scanner glass
dirty?
Is the quality of the
original document or
image satisfactory?
Is auto-cropping on?
Are the print cartridges
aligned properly?
Have the print cartridges
been properly
maintained?
Is the All-In-One out of
ink?
63
Solution
1 Open the Lenovo
All-In-One Center. For
help, see "Using the
Lenovo All-In-One
Center" on page 13.
2 From the Copy
section, click See
More Copy Settings.
3 Adjust the Lighter/
Darker slider bar.
The document must be
placed face down on the
scanner glass.
See "Changing
Advanced Copy settings"
on page 64.
See "How to adjust the
settings for a magazine
or newspaper" on
page 64.
Gently wipe the scanner
glass with a damp, clean,
lint-free cloth.
Try using another version
of the document or
image.
See "How to use the
auto-cropping feature" on
page 65.
See "Aligning the print
cartridges" on page 50.
See "Improving print
quality" on page 51.
Replace the print
cartridge with a new
cartridge. For help, see
"Replacing a print
cartridge" on page 45.