MFD> [PDF and URLs] overall MFD considerations

MFD> [PDF and URLs] overall MFD considerations

MFD> [PDF and URLs] overall MFD considerations

Ira McDonald blueroofmusic at gmail.com
Thu Nov 20 22:48:25 EST 2008


Hi,

I just fetched this via command line FTP (something's wrong with
that URL in Bill's message below - perhaps underscores vs blanks)
and converted it to PDF and posted it.

Verified URLs are:

  ftp://ftp.pwg.org/pub/pwg/mfd/white/MFD_Outline_Nov_08.doc

  ftp://ftp.pwg.org/pub/pwg/mfd/white/MFD_Outline_Nov_08.pdf

Cheers,
- Ira

Ira McDonald (Musician / Software Architect)
Chair - Linux Foundation Open Printing WG
Blue Roof Music/High North Inc
email: blueroofmusic at gmail.com
winter:
  579 Park Place  Saline, MI  48176
  734-944-0094
summer:
  PO Box 221  Grand Marais, MI 49839
  906-494-2434



On Thu, Nov 20, 2008 at 8:43 PM, William A Wagner <wamwagner at comcast.net> wrote:
> Greetings,
>
>
>
> At the October face-to-face, we had what I believe was a useful overview
> discussion of the interfaces to the various MFD services.  I think that,
> although modeling a conceptual MFD service by service is a practical way to
> approach this task, there is the possibility of losing  or distorting (or
> never having) an overall perspective.  I have redrawn the interfaces
> diagram,  provided some text, attempted a generalization of the terminology,
> and  taken a cut at a generalized ticket life diagram. These are posted at
> ftp://ftp.pwg.org/pub/pwg/mfd/white/MFD_Outline_Nov_00.doc.
>
>
>
> I have noticed some roughness in the Scan Service Terminology (I think Glen
> mentioned it) and a typeo:
>
> "CrossFeed direction This is the direction perpendicular to the movement of
> the Hard Copy
>
> Document or light bar of the scanner. For scanners that use a
>
> technology other that a light bar, this is the direction along which the
>
> image data is acquired most slowly. (See also Fast Scan direction, X
>
> and §7.1.4) This direction is sometimes referred to as XFeed
>
> direction."
>
>
>
> I expect  the cross-feed is the direction along which the image data is
> acquired most rapidly.
>
>
>
> Also, although I thought I understood the ScanJobTicket Lifecycle diagram
> (Fig 5 in the Scan Service Spec), when Pete explained it, I admit that I
> found it confusing when I tried to extrapolate a generalized JobTicket
> diagram, particularly when also looking at earlier versions and at the
> Multifunction Device Overview diagram  (fig 1) in the current spec. If this
> looks OK to everyone else, I will figure it out.
>
>
>
> I would appreciate comments on the MFD Outline white paper…whether "it's a
> waste of time" or " it's a useful document" or whatever is appropriate in
> between.
>
>
>
> Thanks,
>
>
>
> Bill Wagner




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