Supportedbarcoderastersession scope
^CVCode Validation
^CV configures code Validation. It applies to the printer session and subsequent formats and can change pixels in the rendered label.
Syntax
aCode validation
Sets code validation. It can be omitted when the documented default is suitable.
- Default
N- Required
- No
Documented values
NYa variations
Compare values side by side; other parameters remain at representative defaults.
Side-by-side comparison2 variations
a = N
Uses N for code validation while the other command values stay at representative defaults.
ZPLcaret-cv-a-1.zpl
^XA
^PW640
^LL360
^FO28,24^GB584,270,3,B,16^FS
^FO58,125^A0N,42,38^FDJob command^FS
^FO28,318^A0N,22,22^FDCaret CV parameter example^FS
^XZ
^CVNRenderer8 dpmm
Preview loads in your browser
a = Y
Uses Y for code validation while the other command values stay at representative defaults.
ZPLcaret-cv-a-2.zpl
^XA
^PW640
^LL360
^FO28,24^GB584,270,3,B,16^FS
^FO58,125^A0N,42,38^FDJob command^FS
^FO28,318^A0N,22,22^FDCaret CV parameter example^FS
^XZ
^CVYRenderer8 dpmm
Preview loads in your browser
Primary source
Official Zebra reference
Use the manufacturer reference for printer- and firmware-specific behavior beyond ZPLr’s pinned rendering profile.