Archived from groups: comp.periphs.printers (
More info?)
"Hecate" <hecate@newsguy.com> wrote in message
news
😱4jkr0hm8df1vp9q90s46gs9dti3qfenb5@4ax.com...
> On Fri, 10 Dec 2004 16:10:57 -0000, "Si" <insert@addresshere.co.uk>
> wrote:
>
>
>>>>Expand on that then please.....
>>>>
>>> If you use software which is capable of colour management, like
>>> Photoshop, and set up colour management in the program, then allow the
>>> printer to colour manage as well, you'll get a colour shift.
>>>
>>> Conversely, if you do no colour management in software and allow the
>>> printer to "do what it thinks" then you're also quite likely to get a
>>> colour shift simply because you're allowing the printer to handle the
>>> RGB/CMYK conversion without first checking that the RGB version is
>>> suitable. Where you print in b&w, the printer will use colour inks -
>>> you'll get a colour cast because the printer is "deciding" how to
>>> convert the tones between true black and true white.
>>>
>>> --
>>>
>>
>>I'm using Photoshop 5.0
>>
>>Coverted the image to Greyscale - printing using Greyscale as the colour
>>space - making no adjustments during printing - so where am I going wrong?
>>
> I never used PS 5. I went from 4 to 5.5. And, to be honest, I don't
> remember what is and isn't in PS 5. However, the best way to ensure
> that doesn't happen is to control colour management. I.e. use Gamma
> first, if that's all you have. Soft proof the image. (See the manual
> for both things) And first of all, don't use convert to grayscale if
> you can avoid it. I can't remember if Channel Mixer was available
> then, but it's a much better way to turn colour into B&W and gives you
> far more control than the set 3:6:1 (R:G:B) conversion.
>
> --
>
I'll have a read up - I'm using Image -> Mode -> Greyscale at the moment -
perhaps as you say, not the best.
Si.