Impressive, high definition image quality depends on vivid color and smooth transitions. Patented, dye-based HP inks support an ultra-small drop size to reproduce fine detail. To ensure reliable operation, HP inks are engineered to maintain printhead nozzle health and ensure compatibility with all printing system components. Designed together with the printer and HP papers, the HP 78 delivers consistently excellent results on HP specialty papers as well as plain paper.
The HP 78 Tri-Color Inkjet Print Cartridge is more than just a container of ink; it is an ingenious union of a sophisticated printhead and a patented ink designed to work together. Specially designed together with the printer and HP papers, the integrated printing system combines the printhead and the supply of inks in a single component to deliver a fresh printhead with each new inkjet print cartridge. The result—consistent, high quality printing throughout the life of the cartridge.

Enjoy low maintenance, trouble-free printing. Designed with your printer, the HP 78 Tri-Color Inkjet Print Cartridge is simple to install and easy to replace. You have a choice of 2 sizes of color inkjet print cartridges to match your usage needs.

In independent testing the HP 78 Tri-Color Inkjet Print Cartridges tested were, on average,significantly more reliable (you can count on them to work right) and more consistent (they print good-quality pages more consistently) than the leading worldwide brands tested.^[1] On average, the HP 78 Cartridges tested were over 50 times more reliable. The unsurpassed reliability of the HP 78 Print Cartridge saves you the time and costs of resolving cartridge problems, making it an excellent value.
In independent testing the HP 78 Tri-Color Inkjet Print Cartridges tested were, on average,significantly more reliable (you can count on them to work right) and more consistent (they print good-quality pages more consistently) than the leading worldwide brands tested.¹ On average, the HP 78 Cartridges tested were over 50 times more reliable. The unsurpassed reliability of the HP 78 Print Cartridge saves you the time and costs of resolving cartridge problems, making it an excellent value.