^JUConfiguration Update
^JU configures configuration Update. It applies to the printer session and subsequent formats and controls printer hardware or connectivity rather than label pixels.
ZPLr compatibility note
- Recognized by the renderer but has no label-raster effect.
These are code examples only. This printer or session command does not produce a standalone label image.
aActive configuration
Sets active configuration. It can be omitted when the documented default is suitable.
- Default
a value must be specified- Required
- No
AFNRSa variations
Compare values side by side; other parameters remain at representative defaults.
a = A
Uses A for active configuration while the other command values stay at representative defaults.
^JUA
a = F
Uses F for active configuration while the other command values stay at representative defaults.
^JUF
a = S
Uses S for active configuration while the other command values stay at representative defaults.
^JUS
Primary source
Official Zebra reference
Use the manufacturer reference for printer- and firmware-specific behavior beyond ZPLr’s pinned rendering profile.