I have a HP 4050N that I picked up at an 2008 financial crisis bank bankruptcy auction for 5 Euros. I've printed thousands of pages and am on the same cartridg

I have a HP 4050N that I picked up at an 2008 financial crisis bank bankruptcy auction for 5 Euros. I've printed thousands of pages and am on the same cartridge that came with the printer. Amazing printer the way most HP devices were. There is no USB, just LPT but there are USB->LPT adaptors