Preferred Postage Supplies Compatible 765-9 Red Ink Cartridge (3 pack) For DM300c, DM400c, DM450c, DM475c Postage Meters 765-9 is a compatible red ink cartridge that works in the following Pitney Bowes: DM300c, DM400c, DM450c, DM475c Postage Meters Total Imprints 8,000 WITHOUT meter ad, 4,500 WITH meter ad Red Ink Cartridge, 1 per box