Printronix SLPA8000 User Manual page 236

Chapter 6
Troubleshooting Other Symptoms
Symptom
•
Print quality is good, but
the printer skips every
other label.
•
An occasional blank label
occurs within a print job,
but no labels are lost.
One or more labels did not
print in multiple-label print job.
— OR —
A portion of the printed image
was clipped off and the
beginning of the next label
was printed on that same
label.
Print quality difference
noticed between printing with
a 203 dpi printhead versus a
300 dpi printhead.
236
Table 12. General Symptom List
1. Make sure that the image is not formatted too close to the
top edge of the label. Leave white space equal to eight dot
rows at the top of the label. 300 dpi = 0.0264 inches.
203 dpi = 0.04 inches.
2. Check that Clip Page = Enable in the MEDIA CONTROL
menu. Clip Page = Enable causes any printable data to be
clipped off and lost once the next TOF position (gap,
notch, hole, or black mark) is detected. Clip Page =
Disable allows the printer to ignore a gap or mark. The
printer looks for the gap or mark after the specified Label
Length is first reached.
3. In the QUICK SETUP menu, use a negative Ver Image
Shift value to move the image toward the leading edge of
the label.
1. If the serial interface is being used, verify that the selected
data protocol for the printer matches that of the host
computer.
2. If Clip Page = Enable in the MEDIA CONTROL menu, the
printer may have falsely detected a gap, hole, or black
mark, and then clipped (i.e., discarded) the remaining
printable data for the label.
a. Do the Run Calibrate procedure. See "Auto Calibrate"
on page 113.
b. Increase the Gap Threshold value by two or three
increments in the CALIBRATE CTRL menu.
c. Change Clip Page to Disable and set Label Length to
the correct physical value in the MEDIA CONTROL
menu.
There is a known noticeable difference in print quality
regarding the formatting between a printer with a 203 dpi
printhead versus a 300 dpi printhead.
There is no fix for this—this is how the printer is designed to
work. If the customer changes the printhead, they also need to
redesign their jobs or use drivers that match the new printhead
resolution.
Solution