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Device onlyprinterdevicesession scope
^JB

Initialize Flash Memory

^JB configures initialize Flash Memory. 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
^JBa
a

Device to initialize

Sets device to initialize. It must be supplied.

Default
a device must be specified
Required
Yes
Documented valuesABE

a variations

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

Side-by-side comparison3 variations

a = A

Uses A for device to initialize while the other command values stay at representative defaults.

Edit in editor
ZPLcaret-jb-a-1.zpl
^JBA

a = B

Uses B for device to initialize while the other command values stay at representative defaults.

Edit in editor
ZPLcaret-jb-a-2.zpl
^JBB

a = E

Uses E for device to initialize while the other command values stay at representative defaults.

Edit in editor
ZPLcaret-jb-a-3.zpl
^JBE

Primary source

Official Zebra reference

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

Open Zebra documentation