Epson XP-6100 User Manual page 254

You see a screen like this:
5. Scroll down and select Paper Guide Cleaning.
6. Follow the on-screen instructions to clean the paper guide.
7. Repeat these steps as necessary until the paper comes out clean.
If the paper is still smeared with ink, follow the next steps.
8. Turn off the product.
9. Unplug the power cord, and then disconnect it from the product.
10. Raise the control panel all the way.
254