Lexmark 2480 User Manual page 133

Printer problems (continued)
Problem
Dots are missing or print
quality is poor.
(continued)
Forms are smudged or
.
printing is too dark
Probable cause
Ribbon problem.
Printhead is not working.
Forms thickness lever is
incorrect for the type of
paper you have loaded.
Ribbon is twisted.
Ribbon shield is damaged
or missing.
Density control knob was
set to 2 prematurely.
129
Action
• Make sure the ribbon is
securely snapped down on
the carrier.
• Adjust the density control
knob. See "Is print too
light?" on pag e113 for
more information.
• Ribbon is worn; replace the
ribbon cartridge.
• Run the Printer Test. See
"Testing the printer" on
page 116.
• Contact your service
representative.
Check the setting of the forms
thickness lever. See "Setting the
forms thickness lever" on
page 44.
• Make sure the ribbon is
installed correctly. See
"Removing the ribbon
cartridge" on page 142.
• If possible, untwist the
ribbon.
• Take up ribbon slack using
the ribbon advance knob.
• Remove the ribbon
cartridge. For help, see
"Removing the ribbon
cartridge" on page 142.
• Replace the ribbon
cartridge.
Set density control knob to 1.
See"Is print too light?" on
page 113 for more information.