HIINK Compatible Toner Cartridge Replacement for HP 78A (Black, 2-Pack) 1 Year Warranty, 100% Satisfaction Guaranteed. Page Yield 2,100 Page @5% coverage Compatible Printers:HP LaserJet Pro P1606dn, HP LaserJet Pro P1566, HP LaserJet Pro P1560, HP LaserJet Pro P1536dnf, HP LaserJet Pro P1600 Package Content: 2 Pack CE278A Toner Cartridge