Before starting with the troubleshooting, you should try the checks below to fix your Epson printer won’t recognize the ink cartridge
1. Make sure there’s enough ink in the cartridges. Replace the cartridge that has no ink with the new ones.
2. Using third-party cartridges can bring such issues which is why you should only use branded Epson cartridges. Also, check if the cartridges are working fine and there’s no issue with them.
3. Now, make sure you have installed the cartridges in the right slot.
Reinstalling the printer cartridges can help. So, try that first, and then if the problem still occurs, contact printer experts for assistance.