PACKAGE CONTENT: 4 Pack - Compatible with HP 78A CE278A PAGE YIELD: Up to 2,100 pages at 5 percentage coverage per toner cartridges INTELLIGENT CHIP, SUPER COMPATIBILITY: With the latest APEX smart chip set, We ensure Toner Kingdom re-manufactured toner cartridge compatible with HP Laserjet Pro P1606DN P1606 P1566 P1560 M1536 MFP M1536DNF Canon MF4890DW Canon Imageclass D530 printer perfectly