These cartridges are designed for use in the following HP Machines:
Deskjet 310, Deskjet 320, Deskjet 340, Deskjet 340CB, Deskjet
340CM, Deskjet 400, Deskjet 400L, Deskjet 420C, Deskjet 450, Deskjet
500, Deskjet 500C/Q, Deskjet 505C/J/K, Deskjet 525Q, Deskjet 540,
Deskjet 550C, Deskjet 560C/J/K, Deskjet Portable, DeskWriter 310,
DeskWriter 320, DeskWriter 520, DeskWriter 540, DeskWriter 550C,
DeskWriter 560C/J/K, DeskWriter C, and others.
