[cups.general] Question: Cups Classes and options like duplex on the client side.

Michael Sweet msweet at apple.com
Fri Nov 30 04:45:25 PST 2012


Apologies for the delay in responding, still catching up from Thanksgiving week...

On 2012-11-20, at 4:10 PM, Denny Schierz <linuxmail at 4lin.net> wrote:
> hi Michael,
> Am 20.11.2012 um 17:02 schrieb Michael Sweet <msweet at apple.com>:
>>   lpoptions -p classname -l
> PageSize/Media Size: Letter *A4 Photo Photo5x7 3x5 5x8 A5 A6 B5JIS CDDVD80 CDDVD120 Env10 EnvC5 EnvC6 EnvDL EnvISOB5 EnvMonarch Executive FLSA Hagaki Legal Oufuku w558h774 w612h935 Custom.WIDTHxHEIGHT
> PrintoutMode/Printout Mode: Draft *Normal High
> InputSlot/Media Source: *Default PhotoTray Upper Lower CDDVDTray Envelope LargeCapacity Manual MPTray
> Duplex/Double-Sided Printing: *DuplexNoTumble DuplexTumble None
> Quality/Resolution, Quality, Ink Type, Media Type: *FromPrintoutMode 300DraftGrayscaleK 300GrayscaleK 600GrayscaleK
> please remember, that it works, if the student prints from the console with lp -o sides=two-sided-long-edge / -o number-up=6 … but not choosable from the GUI ..

OK, this definitely points to a bug in GNOME. lpoptions uses the APIs in libcups to obtain the PPD representing the class.  It sounds like GNOME is not.

Michael Sweet, Senior Printing System Engineer, PWG Chair

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