While I can’t browse the specific article you saw, I can give you the that such a write-up would likely cover — because the HP DesignJet 500 is a legacy printer (circa 2001) with no official Windows 11 driver from HP.
Restart Windows 11 into Disable Driver Signature Enforcement mode: plotter hp designjet 500 driver windows 11 free
To get the HP DesignJet 500 working on Windows 11, the most reliable "free" solution is to use the originally designed for Windows 8 or Windows Vista 64-bit. While I can’t browse the specific article you
The status bar turned green. Leo opened his latest CAD file and hit Ctrl+P . For a moment, there was silence. Then, a low hum vibrated through the floorboards. The internal carriage gave a sharp clack-zip , and the belt began to move. Leo opened his latest CAD file and hit Ctrl+P