Offering Hewlett packard laser printer owners an estimated 2,500 prints, the 143A toner reload kit has a modest running cost per page for an original consumable. Filled with some of the highest quality black toner powder available, each HP W1143A toner reload kit is unbeatable when it comes to its results.Made with the same care and attention given to all HP products, this 143A toner reload kit is guaranteed to be compatible with the HP Neverstop 1001nw and every other printer found listed on this page. Genuine Hewlett Packard toner reload kits, like the W1143A, work flawlessly in any of these printers and are sure to give trouble free printing from the moment they are installed.