I've got Ubuntu 19.04 and HPLIP 3.19.5 and have the exact same error:
$ tail -f /var/log/syslog
Jun 17 14:03:06 localhost hpcups[12817]: prnt/hpcups/HPCupsFilter.cpp 647: DEBUG: imageProcessorStartPage failed result = 2 Jun 17 14:03:06 localhost kernel: [10046.467630] hpcups[12817]: segfault at 55ae6010e000 ip 00007ff9e805802f sp 00007fff8553ff80 error 6 in libImageProcessor-x86_64.so[7ff9e8055000+6e000]
I've got Ubuntu 19.04 and HPLIP 3.19.5 and have the exact same error:
$ tail -f /var/log/syslog
Jun 17 14:03:06 localhost hpcups[12817]: prnt/hpcups/ HPCupsFilter. cpp 647: DEBUG: imageProcessorS tartPage failed result = 2 or-x86_ 64.so[7ff9e8055 000+6e000]
Jun 17 14:03:06 localhost kernel: [10046.467630] hpcups[12817]: segfault at 55ae6010e000 ip 00007ff9e805802f sp 00007fff8553ff80 error 6 in libImageProcess