Epson Stylus SX400 printer not working with Yosemite

Hi agrabarz,

If you are having issues printing to your Epson Stylus SX400 after updating to Yosemite, try the troubleshooting steps outlined below:

Get help resolving printer issues on your Mac - Apple Support
https://support.apple.com/en-us/HT203343

I didn't see your specific model printer in the list below, so you may need to contact Epson if these basic troubleshooting steps do not resolve the issue.

Printer and scanner software available for download for your Mac - Apple Support
https://support.apple.com/en-us/HT201465

Take Care,

Judy

The list of Epson drivers that will automatically install DOES include the Stylus SX400, so I suggest you Reset the Printing System and then add the printer again in Print & Scan prefs:

Mac OS X: How to reset the printing system - Apple Support

If that doesn’t help, you need to tell us what isn’t working in more detail, please.