Link: nirsoft.net/utils/print_test.html Note: While not exactly “v20,” NirSoft’s PrintTest is a widely trusted alternative with similar functionality.
Setting up a thermal receipt printer over a network can be tricky. Whether you're managing a busy kitchen or a retail checkout, the Ethernet Printer Test Program ethernet printer test program v20 download link
Ethernet Printer Test Program v2.0 is a utility commonly used to: Link: nirsoft
Facilitates downloading images/logos to the printer's non-volatile memory. ethernet printer test program v20 download link
Troubleshooting Network Printing: A Complete Guide to Ethernet Printer Diagnostic Tools
Because these utilities are often generic or rebranded, you should first check the official support page for your specific printer brand: Xprinter Test Tool : A common source for generic thermal printer utilities. HPRT Utility Downloads