Printronix Online Data Validator - Manual (Page 104)

Chapter 2 Troubleshooting
104
The printed bar codes are
causing error conditions.
(continued)
• Bar code type. The validator only
recognizes the following linear, picket fence
bar codes: Codabar, Code 39, Code 93,
Code 128, Interleaved 2 of 5, and
UPC/EAN. Stacked, 2D, and vertical
(ladder) bar codes are not supported.
• Bar code spacing.The validator requires a
minimum distance of 1/2 inch or 20 times
the minimum element width, whichever is
greater, between bar codes.
• Printer speed. See “Print Speed Limits” on
page 85. If problems persist, decrease the
Print Speed in the MEDIA CONTROL menu.
• Be sure the bar code is not printing on the
extreme edges of the label.
• Clean the printhead. See “Cleaning” in the
User’s Manual .
• Check that paper and ribbon are clean,
unwrinkled, and installed correctly.
• Check the number of bar codes being
validated concurrently. The validator can
track the performance of up to four bar
codes at one time.
Table 7. Troubleshooting the Validator
Symptom Solution