This 765-E / 766-B compatible franking machine cartridge offers a versatile alternative to the genuine Pitney Bowes cartridge. This 766-E compatible franking machine cartridge works in a large number of Pitney Bowes printers, including the DM250 and DM300. With a comparable quality to the original Pitney Bowes cartridges and at a fraction of the original price, these 766-E compatible franking machines cartridges offer a fantastic value for money for any of the printers listed above.Our Pitney Bowes 765-E compatible franking machine cartridges are amongst the lowest priced on the Internet and carry a 100% satisfaction guarantee. All our prices include VAT and delivery so the price you see is the price you pay.