Open Command Prompt: echo "TEST" > \\localhost\RndReceiptPrinter If the driver works, you will not see "TEST." Instead, you will see something like: $&(r%^&*()_+P{OIUYTR~!@#$%^&*() followed by a cash drawer pop.
Improved support for standard Epson-compatible commands. random data receipt printer driver software v8.2
If your printer is outputting "random data" or gibberish (often called a "data dump"), it typically indicates a communication mismatch. Fix printer connection and printing problems in Windows Open Command Prompt: echo "TEST" >