Usually the CUPS filter which converts PostScript into another format
(for most drivers pstoraster or foomatic-rip) is supposed to read out
the option settings embedded in the PostScript data stream. For the HP
Photosmart C6180 the foomatic-rip filter is used and therefore the
problem does not occur. For the Brother printers Brother's proprietary
drivers are used. The CUPS wrappers (/usr/lib/cups/filter/brlpd*) do not
read option settings from the PostScript input stream. The filters
/usr/Brother/lpd/filter* and /usr/Brother/lpd/psconvert* pass the
PostScript inout directly into Ghostscript, without parsing option
settings which are embedded. So all embedded options without active
PostScript code to control Ghostscript get ignored. This is a bug in
Brother's drivers.
There is definitely no CUPS bug.
** Changed in: cupsys (Ubuntu)
Status: Confirmed => Invalid
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cupsys doesn't process postscript features
https://bugs.launchpad.net/bugs/222602
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