Printronix Online Data Validator - Manual (Page 88)

Chapter 2 Operation
88
7. Press
↓ and ↵
at the same time to lock the
↵
key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
NOTE: To avoid the risk of miscorrelation, the printer automatically
sets its Print Speed based on the information that has been
selected to ensure validation results are accurate.
On-Demand Printing
In order for each bar code to be successfully validated, the entire
bar code must pass completely under the scanning beam, even
when the printer is set up for on-demand printing. In cases where
the bar code is close to the bottom of a label and the printer is in an
on-demand printing mode, the printer automatically pushes the
label past the scanning beam. Once the bar code is validated, the
printer retracts the label back to be cut or torn off.
Because the printer has to push out and then retract labels in
on-demand printing modes, the extra movements slow the printing
process. You can avoid this by adjusting the form so that the bar
code appears early enough on the form so that it will pass
completely under the scanning beam during normal printing. This
may involve rotating the form or moving the bar code to a different
position on the form.