zpl.tools
Media & Sensor Commands

^MD - Media Darkness

Sets darkness/intensity of printing

^MD - Media Darkness

Overview

The ^MD command adjusts the darkness (print intensity) of the label output.

Syntax

^MDa

Parameters

  • a = Darkness level
    • Range: -30 to +30
    • 0 = Default
    • Negative = Lighter
    • Positive = Darker

Description

  • Controls print head temperature
  • Affects ink/thermal transfer density
  • Can darken or lighten entire label
  • Used for print quality adjustment

Usage Notes

  • Set once per format
  • Affects all subsequent printing
  • Printer default typically 0
  • Adjust for media type

Example

^XA
^MD10
^FO50,50
^ADN
^FDDarker Print^FS
^XZ

Darkness Reference

LevelEffectUsage
-30Very lightReverse printing
-15LightFaded look
0NormalStandard
15DarkBold appearance
30Very darkMaximum density

Troubleshooting

IssueSolution
Too lightIncrease value
Too darkDecrease value
Faded areasIncrease value
Smudged printDecrease value
  • ~SD - Set Darkness (legacy)
  • ^MT - Media Type
  • ^MM - Print Mode

See Also