First, the kernel has no influence to printing results. All the printing logic is happening in user space.
Please do the following tests and tell in which cases you get useful printouts (and if so, also tell whether there are quality differences, the PPD files are ones which you had attached in comment #2, file.pdf is an arbitrary PDF file): lpadmin -p oldppd -E -v ipp://EPSON25B56D.local:631/ipp/print -P EPSON-WF-3620-Series17-04.ppd lpadmin -p newppd -E -v ipp://EPSON25B56D.local:631/ipp/print -P EPSON_WF_3620_series17-10.ppd lp -d oldppd -o cupsPrintQuality=Draft file.pdf lp -d oldppd -o cupsPrintQuality=Normal file.pdf lp -d oldppd -o cupsPrintQuality=High file.pdf lp -d newppd -o cupsPrintQuality=Draft file.pdf lp -d newppd -o cupsPrintQuality=Normal file.pdf lp -d newppd -o cupsPrintQuality=High file.pdf For these tests please also follow the instructions of the section "CUPS error_log" on https://wiki.ubuntu.com/DebuggingPrintingProblems -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1712019 Title: Driverless printing only prints a blank sheet 17.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1712019/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
