Answering my own question,
add 'printing = bsd' to the share,
I.E
[pdf-printer]
path = /tmp
printable = yes
printing = bsd
guest ok = yes
print command = /usr/bin/printpdf %s
comment = PDF WriterP. -- SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/ Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html
