Using color
Paper handling
Maintenance
Troubleshooting
Administration
Printing
Index
Solving printing problems
7
www.lexmark.com
Lexmark C720
Toner adheres to the back of
the page.
Make sure the paper size is set properly for the paper length you are
printing on. Print several pages to clean the transfer roller of excess
toner.
You may need to replace the fuser. See
Fuser and air filter
for more
information.
Printed materials delivered
by the postal service arrive
with ghosting or mirror
images of the text visible on
the page.
When preparing printed materials for mailing:
• Use 24 lb (90 g/m
2
) paper.
• Avoid rough paper; select paper with a smoothness from 100 to
150 Sheffield points.
• Fold sheets with the text facing outward.
• Meter envelopes or use precanceled stamps.
• Place envelopes in trays and deliver to the post office; do not
drop envelopes into mail boxes or chutes.
Print quality problems (continued)
Problem
Action
