Produce professional quality prints from this high yield hp 507x black laserjet toner cartridge it ensures you avoid waste thanks to the efficient use of the advanced ink formulation and the outstandingly precise engineering of this cartridge to produce up to 11 000 pages at 5 coverage expect crisp black text every time and when it39s used with premium hp laserjet paper you can expect serious longevity thanks to the colorlok feature it works with a variety of hp laserjet pro and hp l