Color adjustment

[Helge Blischke]

Johan Bengtsson wrote:

> Hi,
> 
> Is there some way to (from the print-server) adjust the color
> reproduction on the printers? I'm aware of the cupsICCProfile ppd
> statement, but I guess it will not work so well in a cross-plattform
> environmment like ours. We have linux, mac & windows clients, some of
> them printing through samba.
> 
> They all get their ppd:s from the server.
> 
> We don't use foomatic, all printers are postscript capable.
> 
> We want to buy a certain printer model, but one group of users are
> complaining that the color reproduction is cold/"blueish". I suppose the
> "proper" way of fixing this would be applying an ICC (?) profile
> on the client-computers, but that is not possble here, too much work,
> clueless users, a myriad of hardware & applications etc.
> 
> Would it be possible to apply a JobPatch from the ppd-file that adjusts
> the colors? Has anybody here done that? Or is there some other way?
> 
> -Johan Bengtsson

You might generate a CRD (Color Rendering Dictionary) from a suitable ICC 
profile using the utilities of littlecms and use that in a JobPatchFile. 
Note that you need to provide a CRD for each color model your ptinter 
supports (except /DeviceGray, presumably).

Helge