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Device onlyprinterdevicesession scope
^SR

Set Printhead Resistance

^SR configures set Printhead Resistance. 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.

Syntax
^SR####
####

Resistance value (four-digit numeric value)

Sets resistance value (four-digit numeric value). It can be omitted when the documented default is suitable.

Default
last permanently saved value
Range
488–1175
Required
No
Documented values04881175

#### variations

Compare values side by side; other parameters remain at representative defaults.

Side-by-side comparison2 variations

#### = 0488

Uses 0488 for resistance value (four-digit numeric value) while the other command values stay at representative defaults.

Edit in editor
ZPLcaret-sr-value-1.zpl
^SR0488

#### = 1175

Uses 1175 for resistance value (four-digit numeric value) while the other command values stay at representative defaults.

Edit in editor
ZPLcaret-sr-value-2.zpl
^SR1175

Primary source

Official Zebra reference

Use the manufacturer reference for printer- and firmware-specific behavior beyond ZPLr’s pinned rendering profile.

Open Zebra documentation