I managed to get my Epson WF-7510 Printer working under Opensuse 42.2 at last. First, I found thatthe latest Gutenprint drivers included ones for the WF-7510 family. I went to http://download.opensuse.org/repositories/Printing/openSUSE_Leap_42.2/x86_64/ and downloaded the latest driver -
gutenprint-5.2.12-59.1.x86_64.rpm. I installed it and now have drivers for the WF-7510. Then I went to CUPS and modified my printer to use the driver for the WF-7510 and all is well. Now for the scanner…