

Take all the cartridges back out of the printer and double-check they were in the correct colour slots and all the required cartridges are present. In that case, the printer will not work and still needs a new cartridge. Also, suppose a drum or fuser or other maintenance item was accidentally purchased instead of a toner cartridge and installed without the toner. It’s an easy mistake to put a colour ink or toner cartridge into the incorrect slot or purchase the wrong cartridge model for your printer. The Incorrect consumable installed in a slot: See how to fix HP cartridges locked to another printer. Cartridge protection may also stop compatibles from working in your machine at all. Whilst updating the firmware is often necessary if you have an HP printer an update may be installed to ‘enable cartridge protection’ this then prevents your HP ink cartridges from working in any other printer. Click here for information on how to clean metal contacts. Dirt or damage on the contacts inside the printer, or on the cartridges can prevent the contacts from connecting and can stop the printer from reading the information on the chip. The new ink or toner cartridge has a number of metal contacts that connect to similar metal contacts in the printer allowing them to communicate. Solution: – Take the cartridge out of your printer and make sure all strips, tabs or plastic covers are removed before installing the cartridge again.ĭirty / damaged contacts stop chip data from being read: Problem: – You forgot to remove protective covers or plastic strips that are attached to a new cartridge when you first take it out of its packaging.

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However, sometimes the printer just doesn’t do that correctly and believes that the old one, or no cartridge, is currently inserted instead. Your printer should automatically recognise when you install a new cartridge and reset its internal memory, ensuring that it’s displaying full ink and toner levels.

Here are the most common reasons why your printer isn’t recognising a cartridge:
