IPP Mail Archive: RE: SM> Re: IPP> 4 significant proposed

IPP Mail Archive: RE: SM> Re: IPP> 4 significant proposed

RE: SM> Re: IPP> 4 significant proposed increases in conformance requirements for the IPP Document object spec [why PDL-override]

From: Hastings, Tom N (hastings@cp10.es.xerox.com)
Date: Wed Apr 23 2003 - 03:05:08 EDT

  • Next message: Hastings, Tom N: "RE: SM> Re: IPP> 4 significant proposed increases in conformance requirements for the IPP Document object spec [PDL-override spec]"

    Harry wrote:
     
    > 2. I support healthy alignment with FSG and I've been pushing for a job
    ticket interface to PSI. It's just... every time I ask for a show of hands
    regarding actual support for PDL-override the response is always lackluster.

     
    I don't see the difference between a job ticket and IPP with respect to PDL
    override. If a user submits instructions to the Printer either via IPP or a
    Job ticket, the user would hope that his instructions would override what is
    in the document. The Printer's "pdl-override" (type2 keyword) Printer
    Description has values: 'not-attempted', 'attempted', and 'guaranteed',
    saying how well the Printer implementation is able to honor the users
    instructions (whether they be IPP Job Template attributes or Job Ticket
    attributes) in case the PDL has a confliciting instruction. Said another
    way, the Printer has the same problem with implementing override whether the
    user's instruction comes in the IPP request or in a Job Ticket.
     
    However, certain attributes are much harder for a printer to honor the
    user's request and override a conflicting instruction in the PDL. The
    proposed new "pdl-override-attributes-guaranteed" (1setOf type2 keyword)
    Printer Description attribute would allow the Printer to indicate which Job
    Template (and Document Template) attributes the implementation is able to
    actually honor the client's supplied attributes in spite of conflicting
    instructions in the PDL.
     
    Tom
     
    P.S. I'm only replying to the IPP DL as requested by some members.

     



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