Original HP toner cartridges provide precision output page after page, free and easy recycling, meet stringent eco-label emissions criteria for indoor air quality, and are designed for security you can trust. Keep your business running smoothly with Original HP 78 toner cartridges..Compatible with: HP LJ Pro P1606dn/MFP M1536dnf.Package includes three black toner cartridges.Multipack saves you money.Yields up to 3,100 pages.Reliability of original HP cartridges means consistent convenience and better value.Certification & Standards: ISO/IEC 19798.Print with toner cartridges you can trust: Original HP 78 toner cartridges.. HP 78A Black Standard Yield Toner Cartridge, 3/Pack (CE278AT1) is compatible with the following HP printers: HP LaserJet Pro M1536, MFP P1606. What’s in the Box: 3 Black Quality and reliabilityprecision output, page after page, to keep your business running smoothly Depend on consistent HP performance. Original HP toner cartridges are designed to work the first time, every time. Sustainabilityfeel good about printing with recycled materials Help close the loop. 100% of Original HP toner cartridges contain recycled content. Indoor air qualityconsideration for the air where you live and work HP cartridges meet indoor air quality eco-label emission standards to help protect you and your employees from exposure to elevated levels of VOCs. Securityprotect your printer and your data HP is vigilant about mitigating security risks to help reduce the risk of malicious code entering your computer or network from your cartridge.