hp model c6578dn no. 78 tri-color inkjet cartridge
the c6578d is a tri-colored cyan magenta yellow ink cartridge designed for use with a wide range of hewlett packard copiers and printers . the c6578d has an ink volume of 19 ml providing a duty cycle of 450 pages at 15 density . the c6578d ink cartridge is also easy to install and replace . simply open the printer or copier cover insert the cartridge until it snaps into place and close the cover . one cartridge is provided per box .