FP Mailing PostBase Qi4 Franking Ink & Labels

The FP Mailing PostBase Qi4 uses a blue, Mailmark-approved franking ink cartridge and single-cut franking labels. Everything on this page is matched to the PostBase Qi4 and is Royal Mail approved, so it will not void your machine warranty.

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Ink for the PostBase Qi4

Choose from compatible or remanufactured ink cartridges in 10ml, 20ml and 42ml sizes, all printing the same approved blue. We also offer an ink refill and reset service.

Labels for the PostBase Qi4

The PostBase Qi4 uses single-cut franking labels (152mm), plus extra-long 215mm single-cut labels, in a range of pack quantities.

Why buy from Mailcoms

Mailcoms is a Royal Mail Authorised Inspector and has been trading since 2005. We are one of only two companies in the UK with our own brand of franking ink approved by Royal Mail, delivered fast with free UK delivery over £40.

Frequently asked questions

Which ink does the FP Mailing PostBase Qi4 use?

A blue, Mailmark-approved franking ink cartridge in 10ml, 20ml or 42ml, available as compatible or remanufactured.

Which labels fit the PostBase Qi4?

Single-cut 152mm labels, plus extra-long 215mm single-cut labels.

How fast is delivery?

Standard UK delivery is 3-5 working days and free on orders over £40, with a next working day option available.