Quick overview from the supplier:
HP 78 (C6578D) Color Ink Cartridge for Deskjet 959c Printer, HP Deskjet 980cxi Printer, HP PSC 750, HP Deskjet 1100c, HP Deskjet 1280, HP Officejet k60xi, HP Officejet v30, HP PSC 720, HP Deskjet 1180c, HP Deskjet 1220c/ps, HP Deskjet 920c, HP PSC 950, HP Deskjet 3820, 560 pages.
