The "11" in 11311 often leads to confusion with the HP 11 Ink Cartridges and Printheads . These are essential for professional-grade color inkjet printers like the HP Business Inkjet and Officejet Pro series. The HP 11 Yellow Printhead Go to product viewer dialog for this item. , for example, is rated for approximately 24,000 pages.
This was the era of dominance. Companies bought hardware expecting a 7-to-10-year lifecycle. The 11311 represents that lifecycle. It wasn't about planned obsolescence; it was about planned continuity. hewlett packard 11311