HP 305 series Printer models  - Turn off firmware/Method | World of inks  | Ink shop Petersfield | Refill ink shop Hampshire | Ink cartridges Portsmouth

HP have AGAIN released new firmware for printers that use HP 305 and 305XL cartridges, our chips not affected.

GOOD NEWS – UPDATE 29th September 2026
We've been advised that our HP 305 remanufactured ink cartridges are NOT affected by HP's latest firmware updates.

We still recommend turning automatic updates OFF, as HP can send new updates at any time. Follow our step-by-step guide below.

If you need any help, please contact us 01730 859531

HP 305 series Printer models  - Turn off firmware/Method | World of inks  | Ink shop Petersfield | Refill ink shop Hampshire | Ink cartridges Portsmouth
HP 305 series Printer models  - Turn off firmware/Method | World of inks  | Ink shop Petersfield | Refill ink shop Hampshire | Ink cartridges Portsmouth

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