Neopost IS420 / IS440 Franking Machine Supplies

We stock the full range of franking ink cartridges and franking labels for Neopost IS420 / IS440, in both genuine original and lower-cost compatible options, so you can order everything you need in one place.

Yes. Our compatible Neopost IS420 / IS440 ink uses Royal Mail approved ink and produces clear, scannable Mailmark impressions accepted by Royal Mail.

Yes. You can choose genuine original cartridges or our compatible alternatives, which are made to the same specification, cost less and will not affect your franking or your machine.

Every product on this page is matched to Neopost IS420 / IS440. If you are unsure, check the model name shown on your franking machine or contact us on 01543 572 776 and we will confirm the right supplies for you.

For many machines we offer a lower-cost, more environmentally friendly refill reset service as an alternative to a new cartridge. Contact us to check availability for Neopost IS420 / IS440.

Franking ink is supplied in Royal Mail approved blue (smart blue and Mailmark blue), which is the colour required for franking. Red ink is no longer accepted by Royal Mail, so all current franking uses blue.

Yes. Every franking ink cartridge we sell comes with a 12 month guarantee for complete peace of mind.

We offer free standard 3 to 5 working day UK delivery, with 48 hour (£4.95) and next working day (£6.95) upgrades available at checkout.

Yes. We also stock approved meter posting envelopes and business envelopes suitable for use with your franking machine.