
77259L Rev. 4 12/16/03 Z4M/Z6M Maintenance Manual Page 3-3
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In Peel-off Mode, skewed or
stuck labels.
Glue material from back of
labels causing media movement
problems.
Perform maintenance and
clean the printer (see Table 4 -
1).
Media and liner not properly
aligned in printer.
Check media guide position.
Wrinkled ribbon.
Ribbon fed through printer
incorrectly.
Re-install ribbon.
Incorrect darkness setting.
Set darkness setting to the
lowest value needed, from the
control panel, for good print
quality.
Incorrect printhead pressure.
Readjust printhead pressure
see Adjust Printhead
Mechanism on page 4-25.
Media not feeding properly; it is
walking from side to side.
Readjust media guides.
Misregistration and misprint of 1
to 3 labels.
Media was pulled when motor
was not moving.
Open and close the printhead
so it calibrates to find the label
length.
Incorrect media sensor position.
Reposition movable reflective
media sensor or use
transmissive sensor.
Media or ribbon improperly
loaded.
Reload media and ribbon.
Changes in parameter settings
did not take effect.
Parameters are set or saved
incorrectly.
Reload the factory defaults,
reconfigure the printer, save
settings permanently, cycle the
power OFF and ON.
ZPL was sent to printer, but not
recognized. The DATA LED
remains ON.
Communications parameters
incorrect.
Prefix and delimiter characters
set in printer configuration do
not match the ones sent in the
ZPL label formats.
Check and reset
communication parameters if
needed.Set the characters in
the printer to match ZPL
format.
Check configuration label for
correct characters.
If problem continues, check
the ZPL format for changed
prefix characters.
Set and save permanently via
the front panel.
ZPL was sent to printer, but not
recognized. Data LED OFF.
Cable is not correct.
Verify correct cable is used. (If
serial port is used, use a null
modem cable). If parallel port
is used, an IEEE 1284 cable is
used.
Symptom Diagnosis Action
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