Scanner or Printer problems.First things to always do:1. UNPLUG the power cord from the scanner or printer.2. UNPLUG the USB cord from the scanner.3. RESTART THE COMPUTER IT WAS... moreScanner or Printer problems.First things to always do:1. UNPLUG the power cord from the scanner or printer.2. UNPLUG the USB cord from the scanner.3. RESTART THE COMPUTER IT WAS ATTACHED TO. (ALWAYS RESTART THE COMPUTER IF IT'S WINDOWS)4. PLUG THE POWER CORD BACK INTO THE SCANNER.5. AFTER THE COMPUTER RESTARTS AND YOU ARE LOGGED IN - Plug the USB back into the Scanner.6. Test scanner or printer.HP Printers1. Always restart the computer and the printer.If it's wireless MAKE SURE THE WIRELESS LIGHT ON THE PRINTER IS LIT UP IT's NORMALLY BLUE.AND IT IS CONNECTED TO YOUR WIRELESS NETWORK.2. Make sure your printer and computer are on the same network.You may have one to three different networks. Joe's home network or work (wired), Joe's 2.5 ghz, Joe's 5 ghz, Joe's 5.2 ghz.If the computer is WIRED it should work with the printer on any of the wireless network.If the computer is on WIRELESS MAKE IT'S ON THE SAME WIRELESS AS THE PRINTER.The printer is on Joe's 2.5 ghz the computer MUST BE ON Joe's 2.5 ghz.To... less