This bypasses the need to know your model number entirely. If your printer has a "11311" label, HP’s tool will identify its true model number.
HP PSC 1311 All-in-One Printer | HP® Support. Support menu. Official HP® Drivers and Software Download | HP® Support hp printer hewlett packard 11311 driver download
: Supports various media types including plain paper, envelopes, transparencies, and labels. Driver Download & Installation This bypasses the need to know your model number entirely