This 620-1RN Pitney Bowes compatible franking machine cartridge replaces the original 621-1, offering a versatile alternative to the genuine cartridge. This 620-1RN compatible franking machine cartridge works in a large number of Pitney Bowes printers, including the DM400 and DM500. With a comparable quality to the original Pitney Bowes cartridges and at a fraction of the original price. These 621-1 compatible franking machines cartridges offer a fantastic value for money for any of the printers listed above. Our Pitney Bowes 620-1RN 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.