• Does the DYMO 450 Turbo show up not grayed out in "Devices and Printers"? 
• If it shows up in "Unknown Devices" and won't show up in "Printers" look at this article.  LaserWriter USB 3 Fix.
• Can you print a "Windows Test Page"?
• Check that labels loaded into the printer correctly  (labels facing down)
• Replug the USB cord
• Plug into a different USB port
• Check your printer driver settings
• Check that your printer driver us up to date
• Check that Windows Updates are up to date
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• Replace the USB cord

• Try printing to "DYMO 30256 Shipping Labels".  If you can't print to DYMO 30256 labels, you won't be able to print to our 4" labels.

• Try printing to "DYMO 30324 Name Badge" or "DYMO 30258 Diskette Labels.  If you cannot print to one of these, you won't be able to print to our 3" labels.
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• We can help you test printing with eVisitorPass.  This can help issolate an issue.

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• Is the sensor set properly
• Check printer driver settings
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