What ^SS does
^SS overrides the automatically calibrated media, web and ribbon sensor thresholds. It is an advanced command normally generated by the printer's calibration rather than hand-written.
Syntax
^SSa,b,c,d,e,f,g,h,i,jParameters
| Parameter | Description | Values | Default |
|---|---|---|---|
a | Web (gap) threshold | — | — |
b | Media threshold | — | — |
c | Sensor / ribbon threshold | — | — |
d | Label length in dots | — | — |
e | Intensity and further calibration values | — | — |
Example
^XA
^SS050,025,180,1225^XZPaste this into the free ZPL viewer to see it render, or convert it to PDF.
Notes & tips
- Usually produced by auto-calibration, not written by hand.
- Wrong values cause misfeeds — recalibrate if unsure.
Related commands
See the full ZPL command reference for all 92 documented commands.