How to Fix the 'Paper Source Setting is Invalid' Error on Epson WF-2750?

It sounds like you're encountering an issue with your `WF-2750` printer where it keeps saying the paper source setting is invalid. This can be frustrating, but there are a few steps you can take to resolve it. First, check the settings for making copies. Ensure that the paper source is set to "Letter" and the paper type is set to "Plain Paper." You should also verify the layout settings, making sure they are configured for both with and without borders, and confirm that the paper size is set to "Letter." If those settings are correct and you're still facing the issue, try resetting the paper settings to their defaults. You can do this from the printer's control menu. Navigate to the setup option, then go to "Printer Settings," and select "Paper Settings." From there, choose the option to restore to defaults. After resetting the settings, perform a test copy to see if the problem persists. If everything is set correctly and the issue is resolved, you should be able to copy without any errors. However, if the problem comes back within the next 30 days, don’t hesitate to reach out for further assistance.