TonerPlusUSA New Compatible CE278A 78A Toner Cartridge for HP P1560 P1566 P1600 P1606 M1536 (Black, 1 Pack) RELIABLE TONER: Includes 1 Black toner cartridge. Certified ISO 9001 for quality assurance. Environment assured Certified ISO 14001. COMPATIBLE PRINTERS: HP LaserJet P1560 P1566 P1600 P1606 M1536; LaserJet P1566, Pro M1536dnf, Pro P1606dn YIELD: 2100 @ 5% coverage QUALITY PRINTING: Because TonerPlusUSA's extensive research and development, this compatible replacement HP black laser toner cartridge is guaranteed to be easy to install with your HP LaserJet Pro printers and give your documents outstanding print quality, clarity, and exceptional yields at a lower cost.