~JC (Set Media Sensor Calibration) — ZPL Command Reference

Plain English

Runs an automatic media sensor calibration. The printer feeds labels while measuring the gap/mark sensor to learn the label layout. Essential after loading a new roll of labels.

When to use

After loading new media or changing label stock. The printer must "learn" the new label gap/mark pattern.

Syntax

~JC

Example

~JC

Calibrate media sensors (feeds several labels)

Try it in the playground View all ZPL commands