There are a few things you can do to save as Ico in Photoshop. The first is to make sure that the file is saved as a JPEG. This will help to ensure that your image remains high quality and easy to print. Next, you can choose to save the image as a PNG. This will allow you to easily print the image on paper without having to worry about its quality. Finally, you can save the image as an AI file. This will allow you to use it in other programs such as Illustrator or Inkscape, making it easier and more versatile than any of the other options above.