Re: Epson or HP for alt-phot ... ? (some OT)

• To: alt-photo-process-l@sask.usask.ca
• Subject: Re: Epson or HP for alt-phot ... ? (some OT)
• From: Mitch Valburg <mvalburg@yahoo.com>
• Date: Wed, 22 Mar 2000 19:37:14 -0800
• Comments: "alt-photo-process mailing list"
• In-reply-to: <38D9173D.7F62BE86@worldnet.att.net>
• References: <63.335877d.260a506a@aol.com>
• Reply-to: alt-photo-process-l@sask.usask.ca

At 01:55 PM 3/22/00 -0500, Jeffrey D. Mathias wrote:

>I do not know what this might be.  One proplem that I find is that
>Photoshop does or tries to do too much.  For example, when requesting a
>custom color, Photoshop changes the inks to print what it thinks to be
>the color, not what I want.
>

Are you using a RIP?  If not, then it is probably the printer driver changing
your values.  If you print using a CMYK RIP (EIEIO?) then you have full control
over the four ink channels, bypassing the printer driver.  This is also the
only way to directly or precisely control the amount of black ink laid down,
since even CMYK files sent directly from Photoshop are converted by the printer
driver back into RGB before printing.

(ducking now)
Mitch V. 


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