Solution is to modify /etc/cups/cups-pdf.conf and replace line : #Label 0 by Label 1
When it's done, all pdf files generated have an unique name. 'job id'+'pdf name'.pdf
Solution is to modify /etc/cups/ cups-pdf. conf
and replace line :
#Label 0
by
Label 1
When it's done, all pdf files generated have an unique name. 'job id'+'pdf name'.pdf