Solving Paper Feed Problems; Solving Print Quality Problems - Lexmark C770 User Manual

Solving paper feed problems

Symptom
Paper frequently jams.
The Paper Jam
message remains after
you remove the jammed
paper.
The page that jammed
does not reprint after you
clear the jam.
Blank pages feed into
the output bin.

Solving print quality problems

To help isolate print quality problems, print the Print Quality Test Pages.
1
Turn the printer off.
2
Press and
appears.
Config Menu appears.
3
Press until
The pages are formatted. The Printing Quality Test Pages message appears, then the pages print. The
message remains on the operator panel until all the pages print.
After the Print Quality Test Pages print, to exit the Config Menu:
4
Press until
Troubleshooting
Cause
You are using paper that does not
meet the printer specifications.
You have loaded too much paper
or too many envelopes.
Guides in the selected tray are not
set to the appropriate position for
the size paper loaded.
The paper has absorbed moisture
due to high humidity.
You have not pressed or have
not cleared the entire paper path.
Jam Recovery in the Setup Menu/
Print Recovery section is set to
Off.
An incorrect media type is loaded
in the tray being printed from.
. Hold them while you turn the printer on, and until the Performing Self Test message
Prt Quality Pgs appears, and then press
Exit Config Menu appears, and then press
Solving paper feed problems
Solution
Use recommended paper and other specialty media.
See the Card Stock & Label Guide available on the
Lexmark Web site at www.lexmark.com for detailed
specifications.
For information that can help prevent jams from
occurring, see Avoiding jams.
Make sure the stack of paper you load does not
exceed the maximum stack height indicated at the
front of the tray or on the multipurpose feeder.
See Loading the trays or Loading the
multipurpose feeder for more information.
Move the guides in the tray to the correct position.
For detailed instructions, see Loading the trays.
Load paper from a fresh package.
Store paper in its original wrapper until you load it.
See Storing paper for more information.
Clear paper from the entire paper path, and then
press .
For more information, see Clearing the entire
paper path.
Set Jam Recovery to Auto or On.
For more information, see the Menus and Messages
Guide.
Load the correct type media for your print job, or
change the Paper Type to match the type of media
loaded.
For more information, see the Menus and Messages
Guide.
.
to complete the procedure.
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