Printel Replacement Toner Cartridge for HP 78A (CE278A) Black (3 Pack) Manufacturer Direct from the Printer Parts & Supply Leader. 300+ tons of toner distributed worldwide, 15+ years in printer parts and supplies industry, headquarter in Duluth Georgia, our quality and service are dependable. Rigorously Tested Print Quality. Comparable print quality as the original cartridge in terms of Cartridge Reliability, Print Page Distribution, Toner Adhesion and Optical Density. Superior Quality Components. Printel brand new HP 78A contains high quality new parts including wiper blades, OPC drums, and other internal components. We fully assemble the toner cartridge and build it to ensure the highest quality prints and engineering efficiencies. In addition, we only use RoHs Compliant toner. Page Yield: 2,100* | *Average printer cartridge page yield in accordance with ISO 19752 One-year Warranty. At Printel, we believe in our products. That's why we back them all with a one year warranty after the date of purchase and provide friendly, easy-to-reach support.