[cups] printing b/w with HP Laserjet M277 Pro MFP
msweet at apple.com
Mon Feb 6 06:56:49 PST 2017
Putting "*ColorDevice: False" in a PPD tells the PDF to PostScript converter to output B&W color data.
> On Feb 6, 2017, at 1:57 AM, Matthias Apitz <guru at unixarea.de> wrote:
> I own the above printer/copier/scanner and have it configured within
> CUPS 2.0.3, cups-filters 1.5.0 as Generic Postscript Printer which works
> just fine for my print cases.
> The copier part of the device allows to do copy either in color or
> black/white and I tried to figure out how to use this feature from
> within printing with CUPS. I checked the generated PPD file and it has
> an option:
> *ColorDevice: True
> and if I switch this to 'False' it just works, i.e. prints in
> b/w/grey-scale. I configured a 2nd printer in CUPS with an appropriate
> name and modified its PPD file to
> *ColorDevice: False
> Printing to this new spool object gives the expected output.
> My questions now is:
> How this switch in the printer is done exactly, by just sending this
> statement '*ColorDevice: False' to the device or is the resulting PS
> code somehow different?
> Matthias Apitz, ✉ guru at unixarea.de, ⌂ http://www.unixarea.de/ ☎ +49-176-38902045
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Michael Sweet, Senior Printing System Engineer
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