User guide

94 170PAX 4 User Guide 10/12/2004 57516L-001 Rev. 1
Troubleshooting
Print Quality Problems
Print Quality Problems
Table 11 identifies problems with print quality, the possible causes, and the recommended
solutions.
Table 11 • Print Quality Problems
Problem Possible Cause Recommended Solution
General print
quality issues
You are using an incorrect
combination of labels and
ribbon for your application.
Consult your authorized Zebra reseller or
distributor for information and advice.
The print engine is set at the
incorrect print speed.
For optimal print quality, set the print speed to
the lowest possible setting for your application
via ZPL II, the driver, or the software. See Adjust
Print Speed on page 57.
The print engine is set at an
incorrect darkness level.
For optimal print quality, set the darkness to the
lowest possible setting for your application via
the front panel, the driver, or the software. See
Adjust Print Darkness on page 57.
The printhead is dirty. Clean the printhead according to the instructions
in Clean the Printhead and Platen Roller
on page 83.
Caution • The printhead may be hot
enough to cause severe burns. Allow
the printhead to cool.
Electrostatic Discharge Caution •
Observe proper electrostatic safety
precautions when handling any static-
sensitive components such as circuit
boards and printheads.