For , select the corresponding virtual USB port (e.g., USB001).

POS Printer Test V3.2 is a lightweight, Windows-based diagnostic software utility designed specifically for thermal and dot-matrix receipt printers. It operates independently of standard Windows spoolers and advanced POS software suites (like Shopify, Square, or Lightspeed).

Once connected, run these primary tests to verify mechanical and digital functionality. The Self-Test Print

Allows for fine-tuning of print density and checking font rendering.

: Calibrates the printer for special paper that uses black marks for alignment. Hardware Testing : Includes specific buttons to trigger Paper Cutting Open Cash Drawer , and print self-test tickets to verify font accuracy. Advanced Features