How do I fix a double-sided printing issue on my printer?

1. Check to make sure your printer is set to print double sided.
2. Verify the paper type and the settings on the printer match.
3. Try replacing the paper in the printer and reduce its size if it appears to be too thick.
4. Check to make sure both sides of the paper have been correctly loaded into the printer tray.
5. Restart the printer understand if the issue is resolved.
6. Check your printer's documentation for more information specific to your printer and to verify how to use the double-sided printing feature.