You see, folks are saying their HP Smart app is displaying the “ Printer status unknown ” error, suggesting the app is not able to communicate with the printer.

If you see HP Printer Error Code E3, then check the solutions mentioned in this guide. The issue is usually caused because of the carriage.

If you’ve ever seen your HP printer display the dreaded “Non-HP Circuitry Detected” warning, you’re not alone. This happens when the printer detects third-party or refilled cartridges, and ...

Which HP printer models are affected? All HP printers in the following two printer series are potentially affected by the problem: OfficeJet Pro 9010 OfficeJet Pro 9020 If your printer is one of these ...

Fast forward to today, and HP has admitted that the error was programmed into their firmware, to stop customers from using third party ink cartridges.

A bugged firmware update that gets automatically installed onto some HP OfficeJet printers has been found to brick the device under certain circumstances.