Ok, you will have to read your user guide or manual here:
ftp://download.epson-europe.com/pub/download/3789/epson378958eu.pdf
Save this .pdf file to your computer, so you will have it in future.
Loading paper: Pages 41 through 48
Copying using Scanner & Printer: Page 97 onward
Scanning to Computer (Save to PC): Page 100
Printing from Computer: Pages 71 or 73 depending on your Operating System
Open your printer driver to adjust color density on photos
This is a sophisticated printer and you will have to study the manual.
You have an excellent printer and only you can conquer it for yourself.
Good Luck