Hi Brian, Sorry, I forgot to attach log.stretch. Here it is.
Best regards, 2017-10-27(Fri) -- ************************** Atsuhito Kohda Math. Meth. in Sci., Tokushima Univ. atsuhito_k AT tokushima-u.ac.jp
cupsfilter: File "/usr/lib/cups/filter/pdftopjlfx" permissions OK (040755/uid=0/gid=0). cupsfilter: File "/usr/lib/cups/filter/pstopdffx" permissions OK (040755/uid=0/gid=0). cupsfilter: File "/usr/lib/cups/filter/commandtops" permissions OK (040755/uid=0/gid=0). cupsfilter: Unable to determine MIME type of "/etc/nsswitch".