I would like to request the following media-types be added to the IPP IANA registry:
stationery-recycled
cardstock-coated-lightweight
cardstock-coated
cardstock-coated-heavyweight
cardstock-lightweight
cardstock-heavyweight
labels-lightweight
labels-heavyweight
Notes:
1. coated is a generic term that is used for (glossy, matte, etc) for devices that support this type of media that is not necessarily photo paper.
2. Our devices differentiate different media weights for labels and cardstock - this differentiation exists to address (among other things) adjustments that occur for media path tolerance.
* lightweight cardstock or labels refers to 106-169 gsm weight
* standard cardstock or labels (for which there are already existing registered keywords) refer to 170-256 gsm weight
* heavyweight cardstock or labels refers to 257-300 gsm weight
Thanks,
Chris
Christopher Rizzo
Xerox Corporation
GDG/Discovery/Advance Technology
Phone: (585) 314-6936
Email: Christopher.Rizzo at xerox.com
"The realization came over me with full force that a good part of the remainder of my life was going to be spent in finding errors in my own programs."
-Maurice Wilkes, Memoirs of a Computer Pioneer
From: Michael Sweet <msweet at msweet.org>
Date: Friday, November 20, 2020 at 11:37 AM
To: Christopher Rizzo <Christopher.Rizzo at xerox.com>
Cc: PWG Workgroup <ipp at pwg.org>
Subject: Re: [IPP] Registered media-type values
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Chris,
On Nov 20, 2020, at 1:00 PM, Rizzo, Christopher via ipp <ipp at pwg.org<mailto:ipp at pwg.org>> wrote:
Dear PWG,
PWG 5100.3 section 3.13.2 documents keyword values for media-type. However, this list is incomplete for what our products need to report (for example, differentiation between photo-glossy vs. photo-matte, recycled paper, heavy cardstock vs. light cardstock, pre-punched etc.)
Correct, we are in the process of revising 5100.3, but all of the media-col content was moved to PWG 5100.7-2019 (JOBEXT 2.0) and the media type names were long ago moved to PWG 5101.1-2013 (MSN 2.0)
RFC 8011 leads me to the IANA IPP registry, which leads me to PWG 5100.7, which leads me to PWG 5101.1, which leads me to a list that does not intersect with the list in PWG 5100.3.
All of the 5100.3 values minus the "screen" types *should* be in 5101.1-2013 - that is where we started when I did MSN 2.0.
The document makes reference to RFC2534 for a registry of other types. Where is this registry and how do I access it? Is this separate from the IANA IPP registry? And if the registered keywords are not sufficient are we forced to implement all media-type-xxx as name(MAX) instead of type3 keyword?
Actually type2 keyword now (type3 was eliminated by IETF), and the IANA IPP registry is now the master registry for media-type values. RFC 2534 was about specifying media for web pages and honestly has no relation to the current CSS media handling.
Going further, how does one go about registering new media-type keyword values?
The same as any other IPP keyword value - send an email to the list with your request and we'll discuss it.
________________________
Michael Sweet
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