Tech Specs Original-Black Toner Compatible Printers HP Neverstop Laser 1000a Printer HP Neverstop Laser 1000w Printer; HP Laser NS 1020 Printer; HP Laser NS 1020w Printer; HP Laser NS 1020c Printer; HP Neverstop Laser MFP 1200a Printer; HP Neverstop Laser MFP 1200w Printer; HP Laser NS