Just in case you were needing a thermal printer test image …

Thermal Test Image

Here you go, then. It should print perfectly on an 58 mm thermal printer. It features:

  • 12½% grey scales (clockwise, from right) — ordered, Hilbert (clump=5), Floyd-Steinberg, and halftone (4 pixel/cell).
  • Vertical and horizontal test lines.
  • Classy woven background.
  • Roughly 50% grey overall, so shouldn’t cause your printer too much grief.
  • Entirely free of licence restrictions.

 

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