Troubleshooting

The Suffix Trap: Decoding UK Cartridge Codes Before You Hit Buy

A cartridge that says 'compatible with 302' can still be the wrong one for your desk. This guide unpacks the suffixes, regional variants, XL labels and chip revisions that trip up UK buyers — plus a checklist to run before checkout.

Nov 8, 2026

When a Printer Update Kills Your Cartridge: A UK Buyer's Guide to Chips and Firmware

A firmware update can turn a perfectly good compatible cartridge into an expensive plastic ornament. Here's how to check your printer's firmware before you order, what those cryptic warning messages actually mean, and how to tell a reputable UK supplier from one hiding behind the word 'guaranteed'.

Nov 7, 2026