[ILUG] Support for HP DesignJet 750C in RedHat?

[Conor Daly]

Donnchadh,

Thanks for your info.  I did the usual thing of asking the list before
researching properly (Mea Culpa).  Found that info on Hardware Compatibility
list.

The dnj650c driver does indeed run this plotter but I was thrown by the fact
that the RH Printtool only gives options up to a3 while this plotter will do
a1.

I did some edits to /usr/bin/printtool and added a2, a1 and a0 to the paper
size list.  This is a global setting for printtool and is not implemented
per driver.  I found a file called /etc/paper.config which holds size
definitions for varoius paper sizes.  I wonder what uses this?

I also did some edits to /usr/lib/rhs/rhs-printfilters/printerdb and tried
adding extra resolutions to the config for the dnj650c driver.  Adding
600x600 for resolution resulted in a plot being stretched to double size so
that a 300x300 resolution resulted.  I presume there's only so much one can
do with the printerdb and any further changes must be done to the driver
itself.  No sign of a dnj650c file anywhere on the system so I presume I'd
have to research some more.

Having figured that out, we're about to run some tests on a HP Designjet
1050C which isn't listed for any driver but we'll see if the dnj650c driver
can run this.

In any case, the 300x300 resolution appears to be fine for our purposes.

thanks,

---
Conor Daly

Ph   +353 1 8326146

conor.daly at oceanfree.net
------------------------------------------
-----Original Message-----
From: D ONeill <d.oneill at ireland.com>


>
>Assuming you have the HP DesignJet 750 C Plus, it will work but not
>perfectly and you'll be limited for most things to 300 x 300 dpi.
>Here a a few brief notes on what I've found to be issues with this
>printer:
>
>Language: RTL
>
>Printer does not support PJL.
>
>Works "almost" - RGB data are sent to the plotter.
>
>The CMYK mode of the "B"-Models and the 75x Series is not supported.
>Images are somewhat "greenish"; gray is composed of CMY. Nice for
>really LARGE printouts ... (ISO A4-A0), (ANSI A, B...), (DIN C4,
>C3...)...
>
>Driver: With HP RTL and PostScript color resolution is always 300
>x300.
>
>Addressable 600 dpi using Sharp lines for vector graphics in HP-GL/2.
>
>No autoprobe
>
>Driver Information
>
>dnj650c
>Type: Ghostscript
>
>Hope this helps. Have a good weekend.
>
>Donnchadh O'Neill