Lexmark C750 - Page 35

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Print too light • The Toner Darkness setting
is too light.
• You are using paper that
does not meet the printer
specifications.
• The print cartridges are low
on toner.
• The print cartridges are
defective or have been
installed in more than one
printer.
• Select a different Toner Darkness
setting from the printer driver before
sending the job to print.
• Perform a Color Adjust in the Utilities
Menu. See Utilities Menu.
• Use recommended paper and other
specialty media. Refer to the Card Stock
& Label Guide available on Lexmark’s
Web site at www.lexmark.com for
detailed specifications.
• Load paper from a new package.
• Avoid textured paper with rough finishes.
• Make sure the paper you load in the
trays is not damp.
• Replace the print cartridges. See
Replacing print cartridges.
Print too dark • The Toner Darkness setting
is too dark.
• The print cartridges are
defective.
• Select a different Toner Darkness
setting from the printer driver before
sending the job to print.
• Replace the print cartridges. See
Replacing print cartridges.
Gray background • The Toner Darkness setting
is too dark.
• The print cartridges are
defective.
• Select a different Toner Darkness
setting from the printer driver before
sending the job to print.
• Replace the print cartridges. See
Replacing print cartridges.
Uneven print density • The print cartridges are
defective.
• The transfer roller is worn
or defective.
• The image transfer unit is
worn or defective.
• Replace the print cartridges. See
Replacing print cartridges.
• Replace the transfer roller. See Replace
the image transfer unit and transfer
roller.
• Replace the image transfer unit. See
Replace the image transfer unit and
transfer roller.
Symptom Cause Solution