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Device onlyprinterdevicesession scope
~JS

Change Backfeed Sequence

~JS configures change Backfeed Sequence. 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
~JSb
b

Backfeed order in relation to printing

Sets backfeed order in relation to printing. It can be omitted when the documented default is suitable.

Default
N
Required
No
Documented valuesN

b variations

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

Side-by-side comparison2 variations

b = N

Uses N for backfeed order in relation to printing while the other command values stay at representative defaults.

ZPLtilde-js-b-1.zpl
~JSN

b = X

Uses X for backfeed order in relation to printing while the other command values stay at representative defaults.

ZPLtilde-js-b-2.zpl
~JSX

Primary source

Official Zebra reference

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

Open Zebra documentation