Epson Stylus Color 850 User Manual page 213

400 pixel
Print
292 pixel
300 dpi
100 pixel
Print
72 pixel
75 dpi
Since increasing the image size means decreasing the image resolution,
you must take care that print quality or color tone is not degraded when
working with images pasted into documents created with word
processing software. To avoid print quality and color tone problems,
change the size and the resolution of the image in your graphics
application before pasting it into your document.
B-6
Tips for Color Printing