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Supportedformatrastersession scope
^MU

Set Units of Measurement

^MU configures set Units of Measurement. It applies to the printer session and subsequent formats and can change pixels in the rendered label.

Syntax
^MUa,b,c
a

Units

Sets units. It can be omitted when the documented default is suitable.

Default
D
Required
No
Documented valuesDIM

a variations

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

Side-by-side comparison3 variations

a = D

Uses D for units while the other command values stay at representative defaults.

ZPLcaret-mu-a-1.zpl
^XA
^PW640
^LL360
^MUD,150,300
^FO28,24^GB584,270,3,B,16^FS
^FO58,125^A0N,42,38^FDFormat command^FS
^FO28,318^A0N,22,22^FDCaret MU parameter example^FS
^XZ
Renderer8 dpmm
Preview loads in your browser

a = I

Uses I for units while the other command values stay at representative defaults.

ZPLcaret-mu-a-2.zpl
^XA
^PW640
^LL360
^MUI,150,300
^FO28,24^GB584,270,3,B,16^FS
^FO58,125^A0N,42,38^FDFormat command^FS
^FO28,318^A0N,22,22^FDCaret MU parameter example^FS
^XZ
Renderer8 dpmm
Preview loads in your browser

a = M

Uses M for units while the other command values stay at representative defaults.

ZPLcaret-mu-a-3.zpl
^XA
^PW640
^LL360
^MUM,150,300
^FO28,24^GB584,270,3,B,16^FS
^FO58,125^A0N,42,38^FDFormat command^FS
^FO28,318^A0N,22,22^FDCaret MU parameter example^FS
^XZ
Renderer8 dpmm
Preview loads in your browser
b

Format base in dots per inch

Sets format base in dots per inch. It can be omitted when the documented default is suitable.

Default
a value must be entered or the command is ignored
Required
No
Documented values150200300

b variations

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

Side-by-side comparison3 variations

b = 150

Uses 150 for format base in dots per inch while the other command values stay at representative defaults.

ZPLcaret-mu-b-1.zpl
^XA
^PW640
^LL360
^MUD,150,300
^FO28,24^GB584,270,3,B,16^FS
^FO58,125^A0N,42,38^FDFormat command^FS
^FO28,318^A0N,22,22^FDCaret MU parameter example^FS
^XZ
Renderer8 dpmm
Preview loads in your browser

b = 200

Uses 200 for format base in dots per inch while the other command values stay at representative defaults.

ZPLcaret-mu-b-2.zpl
^XA
^PW640
^LL360
^MUD,200,300
^FO28,24^GB584,270,3,B,16^FS
^FO58,125^A0N,42,38^FDFormat command^FS
^FO28,318^A0N,22,22^FDCaret MU parameter example^FS
^XZ
Renderer8 dpmm
Preview loads in your browser

b = 300

Uses 300 for format base in dots per inch while the other command values stay at representative defaults.

ZPLcaret-mu-b-3.zpl
^XA
^PW640
^LL360
^MUD,300,300
^FO28,24^GB584,270,3,B,16^FS
^FO58,125^A0N,42,38^FDFormat command^FS
^FO28,318^A0N,22,22^FDCaret MU parameter example^FS
^XZ
Renderer8 dpmm
Preview loads in your browser
c

Desired dots-per-inch conversion

Sets desired dots-per-inch conversion. It can be omitted when the documented default is suitable.

Default
a value must be entered or the command is ignored
Required
No
Documented values300600

c variations

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

Side-by-side comparison2 variations

c = 300

Uses 300 for desired dots-per-inch conversion while the other command values stay at representative defaults.

ZPLcaret-mu-c-1.zpl
^XA
^PW640
^LL360
^MUD,150,300
^FO28,24^GB584,270,3,B,16^FS
^FO58,125^A0N,42,38^FDFormat command^FS
^FO28,318^A0N,22,22^FDCaret MU parameter example^FS
^XZ
Renderer8 dpmm
Preview loads in your browser

c = 600

Uses 600 for desired dots-per-inch conversion while the other command values stay at representative defaults.

ZPLcaret-mu-c-2.zpl
^XA
^PW640
^LL360
^MUD,150,600
^FO28,24^GB584,270,3,B,16^FS
^FO58,125^A0N,42,38^FDFormat command^FS
^FO28,318^A0N,22,22^FDCaret MU parameter example^FS
^XZ
Renderer8 dpmm
Preview loads in your browser

Primary source

Official Zebra reference

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

Open Zebra documentation