Epson 400 - Manual (Page 122)

Since the printer and monitor produce color images differently, and also
the available range of color produced by the monitor and printer are
different, the image on the screen does not exactly match your printed
output all of the time. If you want to adjust, or calibrate, the printed color
to more closely match the on-screen color, you may have to experiment
with the printer driver settings.
Additionally, color management software is available from a variety of
software and monitor companies to help you match colors produced by
your monitor and printer. See your image-editing software user’s guide
for information on color matching.
The range of colors that can be displayed:
Note:
When printing a scanned image, you may find it more difficult to match colors.
Because scanners create the original image data using CMYK, the data format of
your image will be changed twice.
monitor colors printer colors
4-1, 4-2a
printer
monitor
4-3
A
R
Hawaii2 Ref.
Rev.b
A5 size Appendix A
06-02-97 DR, pass 0
Tips for Color Printing A-3