CS Compatible for HP 78A CE278D Black HP LaserJet M1536 P1566 P1606 P1606DN M1530 M1530MFP M1536DNF PRO M1536 PRO M1536DNF PRO P1566 PRO P1606DN Toner Cartridge 2 Set Page Yield: 2 x 2100 Replaces CE278D The Compatible toner cartridge will produce the same amount of page yield as an OEM cartridge would. WARNING: Avoid poor quality knockoffs from other sellers; order directly from Clever Supplies Toner to receive the exact product listed and ensure superior quality. Premium Quality Replacement Toner Cartridge is made by ISO9001 Certified Factory to Meet or Exceed OEM Standards. All Clever Supplies brand products are backed by '100% Quality Satisfaction' 1 year warranty against defects in materials and workmanship for all toner products. Free tech support for any problems for all Clever Supplies brand products. These units are manufactured 100% brand new with all new parts including OPC drums, wiper blades, a smart chip and other internal parts, they are an economical alternative to expensive OEM laser toner cartridges. Compatible with HP Printers: LASERJET M1536, LASERJET M1536D, LASERJET M1536DN, LASERJET M1536DNF MFP, LASERJET M1536F, LASERJET M1536N, LASERJET M1536NF, LASERJET P1566, LASERJET P1606, LASERJET P1606DN, LASERJET M1530, LASERJET M1530MFP, LASERJET M1536DNF, LASERJET PRO M1536, LASERJET PRO M1536DNF, LASERJET PRO P1566, LASERJET PRO P1606, LASERJET PRO P1606DN etc.