Using The Printer Utilities - Epson Stylus Pro 4000 Reference Manual

You can make the following settings.
Print Cutting
Guides
Overlapping
Alignment Marks
Trim Lines
If you only want to print a few of the panels without printing the
entire poster, click the panels that you do not wish to print, then
click OK to close the Poster Settings dialog box.

Using the Printer Utilities

EPSON printer utilities let you to check the current printer status
and do some printer maintenance from your screen.
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Printing with Windows
Check this box to turn the cutting guide options on.
Slightly overlaps the images and prints alignment
markers so that they can be aligned more precisely.
Prints border lines on the images to guide you when
trimming the pages.