Before I get into the issue in the subject line - I'm wondering if, using my PWG account, it is preferable to go to the PWG web site and create a new issue tied to this document, or just email the issue to this group (so it can be vetted before an issue is created?) as I've done here?
I do not believe it is clear how the media-xxx-margin member attributes of the media-col collection are to be interpreted by a printer (Section 7.6 of PWG 5100.13). media-col is a Job-Template attribute, and the printer's physical margins are already reported by the printer in the media-xxx-margin-supported attributes of the Get-Printer-Attributes response. Since the printer already knows and reports its physical margin capabilities - why are these sent back to the printer as Job-Template attributes?
If the printer supports full bleed, then the printer already reports 0 for media-xxx-margin-supported.
Are these attributes instead intended to provide a modified boundary for marking the job on the page? If so, how is the printer to respond if these margins are less than media-xxx-margin-supported values? How is the printer to respond if the client sends values are so large they overlap and theoretically result in a blank page? If scaling is also specified, how would that be related to margin values - should fit scaling be done to the specified margins? Does cropping need to occur?
Xerox Corporation MS 7060-368
26600 SW Parkway Ave.
Wilsonville, OR 97070
Phone: (503) 582-7577
Email: Christopher.Rizzo at xerox.com
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