Replaces the Following Manufacturer Numbers: HP C8842A. Compatible with the Following Printer Models: 378, 380, 500, CKX, P3, P4, P6, PM3, 750, Apple Color StyleWriter 6500, TM300P, 11k, 13K, 13KC, BryceJet Mach 1, 600C, 60B, Apollo, BK41B, Turnkey System, 240B Astro Machine, DP 200W, DP2000, 1.5, 2.5, 2XP, Envelope Imager CS, 710, 830, 930, 960, 990, HJ 700, HJPAS, Pitney Bowes AddressRight DA400, Pitney Bowes AddressRight DA500, Pitney Bowes AddressRight DA550E, Pitney Bowes AddressRight DA700, Pitney Bowes AddressRight DA750E, Pitney Bowes AddressRight DA900, Pitney Bowes AddressRight W400, Pitney Bowes AddressRight W707, Pitney Bowes AddressRight W803, 350.