File airprint-generate.patch of Package cups-airprint
*** airprint-generate-orig.py 2014-01-12 18:03:20.000000000 +0100
--- airprint-generate.py 2014-01-12 18:05:03.000000000 +0100
***************
*** 55,61 ****
<txt-record>txtvers=1</txt-record>
<txt-record>qtotal=1</txt-record>
<txt-record>Transparent=T</txt-record>
! <txt-record>URF=none</txt-record>
</service>
</service-group>"""
--- 55,61 ----
<txt-record>txtvers=1</txt-record>
<txt-record>qtotal=1</txt-record>
<txt-record>Transparent=T</txt-record>
! <txt-record>URF=DM3</txt-record>
</service>
</service-group>"""