a quick google search for specs brings up the epson site with this information.
BorderFree® Printing
Left and right borderless “bleed” printing for the following
roll media widths:
SP7900 10", 13", 16", 17", 24"
SP9900 10", 13", 16", 17", 24", 36", 44"
Top and bottom edges can be automatically cut to any
length when printing on roll media.
looks like no borderless on sheets.
Tony