diff -up cups-filters-1.20.3/filter/foomatic-rip/foomaticrip.c.cleareof cups-filters-1.20.3/filter/foomatic-rip/foomaticrip.c

--- cups-filters-1.20.3/filter/foomatic-rip/foomaticrip.c.cleareof	2018-09-21 13:38:05.882666106 +0200

+++ cups-filters-1.20.3/filter/foomatic-rip/foomaticrip.c	2018-09-21 13:38:55.330277816 +0200

@@ -663,6 +663,7 @@ int print_file(const char *filename, int

                     rip_die(EXIT_PRNERR_NORETRY_BAD_SETTINGS,

                             "Couldn't dup stdout of pdf-to-ps\n");

+                clearerr(stdin);

                 ret = print_file("<STDIN>", 0);

                 wait_for_process(renderer_pid);