Printronix SL4M User Manual page 174

Chapter 6
Restore The Printer To Operation
Table 14. Printer Problems and Solutions (continued)
Symptom
•
Start of image is printed
an erroneous distance
from the top-of-form.
•
The printer starts to print
one label and then
another, all within the
same physical label.
•
Loss of one or more
serialized labels within a
print job.
•
Start of image is printed
in the middle of the gap.
•
The top part of the image
is lost when printing with
Head First orientation
selected.
174
Solution/Explanation
1. Make sure the Label Length value matches the actual
physical length of the label installed and run Auto-Cal
(see page 47).
These symptoms could be caused by:
•
severely curled labels near the end of a media roll
•
the media sensor triggering off of a dark, preprinted image
on the label
•
multiple gaps within the physical label.
2. In the MEDIA SETUP menu, set Clip Page to Disable.
3. Run a Media Profile (see page 48).
4. If the Media Profile printout shows that preprinted images
or an RFID antenna tag has an amplitude approaching the
Gap/Mark Threshold level, position the media sensor to
avoid the image or increase the Threshold Range percent
value in the SENSOR SETUP menu. Run Auto-Cal again
and Media Profile to verify there is an improvement.
1. In the SENSOR SETUP menu, set Gap Windowing to
Enable.
2. Set Gap Length to equal the physical gap length of the
media installed. The range is 0.05 to 1.00 inches.
The likely cause of these symptoms is that Clip Page = Enable
and a cross-perforation, radical fold or flaw in the liner has
caused the media sensor to detect this as the leading edge
(TOF) of the new label or end of label (EOF), or both.