User guide

Troubleshooting
Print Quality Problems
57516L-001 Rev. 1 10/12/2004 170PAX4 User Guide 95
Wrinkled ribbon Ribbon fed through the
machine incorrectly.
See Load Ribbon on page 40.
Incorrect burn temperature. Set the darkness to the lowest possible setting
for good print quality. See Adjust Print
Darkness on page 57.
Incorrect or uneven pressure. Set the pressure to the minimum needed for
good print quality. See Printhead Pressure
Adjustment on page 86.
Media not feeding properly;
“walking” from side to side.
Make sure that media is snug by adjusting the
media guide, or call a service technician.
The strip plate needs adjusting. Call a service technician.
The printhead needs vertical
adjustment.
Call a service technician.
The printhead and platen roller
need to be realigned.
Call a service technician.
Long tracks of
missing print on
several labels
Wrinkled ribbon. See wrinkled ribbon causes and solutions in this
table.
Print element damaged. Call a service technician.
Fine, angular gray
lines on blank labels
Wrinkled ribbon. See wrinkled ribbon causes and solutions in this
table.
Light printing or no
printing on the left
or right side of the
label
Printhead pressure needs
adjustment, printhead out of
alignment, or toggle in
incorrect position.
See Toggle Positioning on page 85 and
Printhead Pressure Adjustment on page 86.
Call a service technician.
Printing too light or
too dark over the
entire label
Media or ribbon is not
designed for high-speed
operation.
Replace supplies with those recommended for
high-speed operation.
Incorrect or uneven printhead
pressure.
Set the pressure to the minimum needed. See
Printhead Pressure Adjustment on page 86.
Smudge marks on
labels
Media or ribbon not designed
for high-speed operation.
Replace supplies with those recommended for
high-speed operation.
Misregistration/skips
labels
Media sensor not positioned
correctly.
Perform media sensor position adjustment.
The print engine not
calibrated.
Recalibrate the print engine.
Improper label format. Use correct label format.
Table 11 • Print Quality Problems (Continued)
Problem Possible Cause Recommended Solution