Speedy Inks - 3pk Compatible Pitney Bowes Red 765-9 inkjet cartridge 765-9 is compatible with Pitney Bowes DM300C, DM400C, DM450C, 3C00, 4C00 and 5C00 postage machines. Note - Please be aware of the differences between the Pitney Bowes 765-0, 765-3 and 765-9 cartridges. Make sure to get the right cartridge for your machine.765-0: DM200, DM300, DM400765-3: DM200i, DM300i, DM400i, DM300L, DM400L765-9: DM300C, DM400C Color: Red 100% Quality Satisfaction Guarantee The use of aftermarket replacement cartridges and supplies does not void your printer's warranty