Re: HP800 designjet and colour management
Re: HP800 designjet and colour management
- Subject: Re: HP800 designjet and colour management
- From: Ignacio Ruiz de Conejo <email@hidden>
- Date: Fri, 31 Oct 2003 14:15:06 +0100
- Organization: Hewlett-Packard
Neil:
First, one clarification, then I'll try to an answer to your question.
* The HP DJ 800PS is like a DJ800, adding to it an embedded
PS interpreter from Adobe.
* The HP DJ 800 does not support PostScript. It is a "technical"
machine, that "understands" HPGL/2 (and PCL3GUI).
But you can use ANY external RIP, that will generate the
appropiate RTL language, to drive the machine.
With the 800PS, the RIP is inside the printer. All the (basic) knobs
you get come via the PS driver and its associated PPD. You can
select not to apply color management, and send the target(s) you
want to use for profiling. The generated PS will be sent to the
printer, who will interprete and RIP it...
Both with the 800 and the 800PS you can decide to use an external
RIP (not HP supplied), installed in your Mac or PC, and profile
your machine with it, for it will be applying the color management,
and the printer will be acting as a printing mechanism, no color brain.
(However, if this RIP uses RTL, there is no possibility of sending
halftoned data, it has to use CMYK contone. The RIP vendor
could still use PCL3GUI, but that is/was less common).
Notice that both these workflows have a PS interpreter in it!
If you want to print from Photoshop or InDesign, and apply
color management, you have two options:
a) print to the DJ800PS, selecting the profiles in the PS driver
b) print to the DJ800, using a queue of any external RIP
(or "virtual printer",... or whatever mechanism it provides)
If there is no Postscript in your workflow:
a) if you are in Windows and try to use the Windows driver,
that workflow has predefined RGB colormaps (aka, ~profiles),
that the user can not modify.
b) if you are in Macintosh, HP only provided the PS driver to
print with the DJ800PS
Hope this helps,
Ignacio
>
From: Neil Barstow <email@hidden>
>
>
I wonder if anyone has had success profiling the HP 800 designjet? I'm
>
guessing it will need to be done with the standard HP supplied RIP?
>
It would be great to even be able to use Photoshop and Indesign
--
____________________________________________________
Ignacio Ruiz de Conejo
Color Workflows Tech. Lead
Hewlett Packard, Spain
email@hidden
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