For use with the following machines: Apollo: P1200, P1250i, HP: Officejet: Officejet 300, 330, 350, Officejet Lx, Fax: Fax 200, 300, 310, 700, 750, 900, 950, Deskjet: Deskjet 400, 400L, 420, 420C, 500, 500C, 510, 520, 540, 540C, 550, 550C, 560, 560C, Deskjet Plus, Deskwriter: Deskwriter 510, 520, 520C, 540, 540C, 550, 550C, 560, 560C, Deskwriter C, C510, C520, C540, C550, C550C, C560, C560C, Designjet: Designjet 200, 220, 600.
