Try calling Free Geeks Twin Cities
They recycle computers, scanners & printers.  I would think they would 
be willing to sell you the part.

David
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 17 Nov 2011 14:53:18 -0600
> From: T L<tlunde at gmail.com>
> To: tclug-list at mn-linux.org
> Subject: [tclug-list] Anyone have a broken ink jet printer that is
> 	near the	U or Edina?
> Message-ID:
> 	<CAE0VmCxb6pzWUzQHRSUcdfQ=DN5h0qb0v5A_2ujMH=6Vzk5xjg at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Hello -
>
> I have a friend who is taking a robotics class at the U.  She's in
> need of parts for a class project and wrote:
>
> Anyone have a broken printer they would be willing to give me? There
> is a part in it I need for my robot.  Specifically, I need the
> track/belt that moves back and forth depositing the ink. I think this
> would work for my moving arm.
>
>
> I switched to laser printers a while back, but I'll get that someone
> on this list would like to get a little space back in the
> basement/garage.
>
> Can anyone help?
>
> Thanks!
> Thomas