HP periodically rolls out these upgrades to fix bugs, such as error 49.4c02. However, before proceeding with the firmware update, the first thing you must do is return the printer to its Ready state.

If you see error 0x6100004a on your HP printer, follow this guide for comprehensive methods to fix the error.

If you’ve ever seen your HP printer display the dreaded “Non-HP Circuitry Detected” warning, you’re not alone.