Troubleshooting HP oxc4eb9004 hw_micci2_v12 error codeWhenever you get an error code on your HP printer check for the connection. Most errors appear due to connection issues on the printer. If your printer is on a wired connection then check for the USB cable. Go to the printer and eject the USB cord. Now check both ends of the cable for any damage. You can also get connection issues on the printer when you are using a loose cable. medium.com/@ellabcameron0587/how-to-troubleshoot-hp-printer-error-code-oxc4eb9004-hw-micci2-v12-18f718f4d8a