[IPP] Potential errata/update for PWG Raster Format and/or IPP Everywhere specs

[IPP] Potential errata/update for PWG Raster Format and/or IPP Everywhere specs

[IPP] Potential errata/update for PWG Raster Format and/or IPP Everywhere specs

Kennedy, Smith (Wireless Architect) smith.kennedy at hp.com
Wed May 21 15:22:05 UTC 2014


Hi Mike,

Since “attempted” is so squishy, why not mandate “guaranteed”?  Including “attempted” seems like a loophole.

Smith

/**
    Smith Kennedy
    ATB Wireless Architect - PPS
    Hewlett-Packard Co.
*/



On 2014-05-21, at 7:42 AM, Michael Sweet <msweet at apple.com> wrote:

> All,
> 
> It has come to my attention that neither the IPP Everywhere nor the PWG Raster Format specs explicitly call out required values for the "pdl-override-supported" Printer attribute. This attribute specifies whether the Printer can override embedded job ticket information (such as media size) when requested in a Job via the "ipp-attribute-fidelity" or "job-mandatory-attributes" Job Template attributes.
> 
> Generally speaking, Printers SHOULD support PDL override for the standard PDLs in IPP Everywhere, including PWG Raster, JPEG, and PDF.  Typically this means forcing prints to a single media/size or forcing simplex/duplex output, and is particularly important for JPEG.
> 
> My recommendation is for us to add the following conformance statement in a future revision of the IPP Everywhere specification:
> 
>    pdl-override-supported (type2 keyword)
> 
>    When reporting capabilities for the 'application/pdf', 'image/jpeg', or 'image/pwg-raster'
>    MIME media types, Printers MUST report either 'attempted' or 'guaranteed' for the
>    "pdl-override-supported" Printer attribute, 
> 
> Thoughts?
> 
> _________________________________________________________
> Michael Sweet, Senior Printing System Engineer, PWG Chair
> 
> _______________________________________________
> ipp mailing list
> ipp at pwg.org
> https://www.pwg.org/mailman/listinfo/ipp

-------------- next part --------------
A non-text attachment was scrubbed...
Name: smime.p7s
Type: application/pkcs7-signature
Size: 4956 bytes
Desc: not available
URL: <http://www.pwg.org/pipermail/ipp/attachments/20140521/18f1e882/attachment.p7s>


More information about the ipp mailing list