[WinMac] Re: Mac vs NT printing

Thomas Roth(tomroth[at]wfubmc.edu)
Thu, 14 Jan 1999 13:05:10 -0500

>>I've noticed a slightly different problem when printing to an HP Inkjet via
>>an NT print queue that the same image printed from the Mac has better color
>>saturation then the one from the WinNT. Printer settings are _exactly_ the
>>same and the PPD file is from HP on both of them

>From: Alex Dearden <pata@tampabay.rr.com>
>What applications are you orinting from?

Photoshop in this case.

>On the PC side, printing from Photoshop, you have to include a line in
>the ini file in order to invoke the CRDs (Color Rendering Dictionaries)
>on a postscript level 2 device. If it is not a level 2 device (I forget
>if the HP inkjets are postscript or not)

The RIP in the HP DesignJet 2500 is Adobe Level 3. And that secret line is...?

>then check your color settings on the Mac and see if maybe
>Colorsync is being invoked thereby acounting for the difference in color.

ColorSync is not installed on the Mac.

>If printing from a page layout application (anything other than Photoshop
>really) make sure you save the file as an EPS (especially if it is an RGB
>file), this format (RGB.EPS) is the only one that will invoke the CRDs
>from any application other than Photoshop.

We try to always use EPS files when printing from Freehand to the HP.

>Just to clarify, the CRDs need only be invoked when you're sending down
>RGB data, not CMYK.

The printer only wants RGB data so that shouldn't be a problem.

 ______________________________________________________________________
 Tom Roth Wake Forest University School of Medicine
 tomroth@wfubmc.edu Dept of Biomedical Communications
 http://www.wfubmc.edu/biomed Medical Center Blvd
 Tel 336.716.4493 Winston-Salem, NC 27157-1011
 ______________________________________________________________________

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This archive was generated by hypermail 2.0b2 on Thu Jan 14 1999 - 10:09:59 PST