Professionally remanufactured by a brand name you can trust, Xerox remanufactured replacement laser toner cartridges for your HP CE390A black laser toner cartridges are guaranteed to work as good as, if not better, than your original HP 90A toner cartridge. Xerox was the company that invented laser printing, so it only makes sense that they provide high quality remanufactured toners. You can count on the Xerox remanufactured laser toner cartridge to work with your HP laser printer. All premium Xerox replacement toners are backed by an industry best, lifetime warranty. This Xerox brand toner has an alternate part number of 106R2631.