I think you have to install this package from the AUR first.
epson-inkjet-printer-escpr
Then when you try to install from the ppd point to the following:
usr/share/ppd/epson-inkjet-printer-escpr/Epson-XP-7100_Series-epson-escpr-en.ppd
I think you have to install this package from the AUR first.
epson-inkjet-printer-escpr
Then when you try to install from the ppd point to the following:
usr/share/ppd/epson-inkjet-printer-escpr/Epson-XP-7100_Series-epson-escpr-en.ppd