~JG (Graphing Sensor Calibration) — ZPL Command Reference

Plain English

Prints a graph showing sensor readings across several labels — a visual diagnostic that helps you see exactly what the sensor sees. Dark areas are gaps/marks, light areas are label backing.

When to use

When troubleshooting sensor issues — the graph shows if sensors are reading correctly or if the media is confusing them.

Syntax

~JG

Example

~JG

Print sensor calibration graph

Try it in the playground View all ZPL commands