My printout contains garbled characters when I print from Windows or my Mac. What should I do?

• Try the following:
  • If your product is connected with a USB or Ethernet cable, make sure the cable is a securely connected and meets the requirements. Then try printing again.
  • Make sure your printer is selected in Windows, or is set as the active printer in Mac OS X.
  • If you're using a switch box or USB hub with your printer, connect the printer directly to your computer.
  • Turn the printer off, check that the cables are securely connected, and turn it back on again.
  Related references
  Computer System Requirements