Star LC-8521 User Manual page 85

Problem
Left margin moves to the
right during printing.
Some characters are printed
incorrectly.
Possible Cause
The paper is not loaded
correctly, causing the print
head to jam.
The ribbon cassette is not
installed correctly, causing
the print head to jam.
The printer is not set up
correctly for the thickness of
paper being used.
Inappropriate settings are
selected by your application
program.
Static electricity caused by
interference from nearby
electrical devices or by low-
level humidity is affecting
printer operation.
The wrong emulation is
selected.
The wrong character table,
code page, or international
character set is selected.
Static electricity caused by
interference from nearby
electrical devices or by low-
level humidity is affecting
printer operation.
Troubleshooting guide
Recommended Action
Remove all paper from the
printer and reload it. Try
printing again.
Make sure that the ribbon
cassette is installed
correctly. See "Installing the
ribbon cassette" on page 6.
Set up the printer for the
paper thickness you are
using. See "Adjusting for
paper thickness" on
page 58.
Choose different settings in
your application.
Make sure that the printer is
not too close to any devices
with electric motors or that
raise the humidity level.
Check the emulation
selection and change it if
necessary. See page 31.
Use the EDS Mode to select
the correct character table,
code page, or international
character set (page 34).
Make sure that the printer is
not too close to any devices
with electric motors or that
raise the humidity level.
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