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Symptom Diagnosis Action
Changes in parameter
settings did not take
effect.
Parameters are set
or saved
incorrectly.
Reload the factory defaults (see
“FEED Key and PAUSE Key” later in
this chapter), calibrate the printer,
then cycle the power on/off switch.
If problem
continues, there
may be a
problem on the
main logic board.
Call a service technician.
When using wide ribbon
(over 2.4"), the image
gets lighter or smears
near the end of the roll
of ribbon. Ribbon
appears to slow down or
stop.
Too much
back-tension on
the ribbon.
See “Loading the Ribbon” in
Getting Ready to Print to adjust the
ribbon supply spindle to provide
low tension.
ZPL was sent to printer,
but not recognized. The
DATA LED remains off.
Communications
parameters are
set incorrectly.
Print configuration label and verify
that the host computer and printer
settings match. If they do, perform
the MODE key self test and check
for format or overrun errors. If
they do not, refer to
“Communicating with the Printer”
in Getting Ready to Print.
Prefix and
delimiter
characters set in
printer
configuration do
not match the
ones sent in the
ZPL label formats.
Set the characters in the printer to
match the ZPL format.
Check configuration printout for
correct characters.
If problem continues, check the
ZPL format for changed ^CC,
^CT, and ^CD instructions.
S400 & S600 User’s Guide 41
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