Re: HP 50 PS and color managment
Re: HP 50 PS and color managment
- Subject: Re: HP 50 PS and color managment
- From: Henrik Holmegaard <email@hidden>
- Date: Tue, 13 Jan 2004 23:02:32 +0100
On Sat, 10 Jan 2004 email@hidden wrote:
>I can't figure out how to profile the printer itself and where to put
>it's profiles.
The previous post explained where to put the profiles you make for the
hp designjet 50ps, that is, in the internal 50ps profile database and
not in the OS profile database.
>I really hope it's not like the Epson 5000 with the Fiery that won't
let
>you profile the media so you have to keep buying their media.
You have this wrong, it is an open system.
On man jan 12, 2004 email@hidden wrote:
>I am confused about the interface for the rip.
>If I am trying to emulate a press, what dialog box, menu, or popup do I
>select the press profile and what dialog box, menu, or popup do I
select
>the profile I make for the HP printer?
>There seems to be 3 settings, Proof, Print and (I forget the third.)
>None of which offer the ability to put in a profile for the printer
>itself. I can only see a selection for media that is pre-made options
>(like the Espon/Fiery.)
Down this road the NDA sign crops up at the wayside at some point, but
let's make a start:
The software offers four workflows,
(1) Color Management for Proof
(2) Color Management for Remote Proof
(3) Color Management for Print
(4) Automatic Black Replacement
The ICC profile for the hp designjet 50ps printer - paper configuration
appears implicitly under the Output Profile, at the bottom of the chain
of spaces in the queue UI.
To print a characterization chart you must use option (3) and none
other. To print the chart, first calibrate the printer - paper
configuration using the EngineManager software, which you set to the
paper type that comes closest to your third party paper, and then
disable the CMYK and Gray checkbox in Color Management for Print in the
PrintManager software. This way you will not get a conversion of the
values in your deviceCMYK chart.
The difference between (1) and (3) lies in the number of steps in the
conversion, three are possible in (1) and two are possible in (3), and
in the possibility of printing without an AbsCol conversion in (3).
Because AbsCol is the rendering intent specified for correct proofing
(not by HP and HDM but by the consensus here in Europe), this setting
is hardwired into the last step in the conversion from press space to
proofer space in (1). If you wish to proof with RelCol then you need to
choose (3).
With (1) and (3) you should use a PostScript workflow and set the
outgoing space in your application software the same as your ingoing
space in the hp designjet 50ps software.
If you wish to know more, we should knock on a door or two.
Thanks,
Henrik
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