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: "Jeffrey D. Mathias" <jeffrey.d.mathias@worldnet.att.net>
• Date: Wed, 22 Mar 2000 23:15:40 -0500
• Comments: "alt-photo-process mailing list"
• References: <63.335877d.260a506a@aol.com> <01JNCDE7BOF09OIWP1@sask.usask.ca>
• Reply-to: alt-photo-process-l@sask.usask.ca

Mitch Valburg wrote:
> ... If not, then it is probably the printer driver changing
> your values. 

Even without printing, within Photoshop using the values of the info
dropper, it can be seen that Photoshop manipulates the 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.

Yes, bypassing the printer driver or at least making it do what is
wanted is also needed.

-- 
Jeffrey D. Mathias
http://home.att.net/~jeffrey.d.mathias/

• References:
  • Re: Epson or HP for alt-phot ... ? (some OT)
    • From: FotoDave@aol.com
  • Re: Epson or HP for alt-phot ... ? (some OT)
    • From: Mitch Valburg <mvalburg@yahoo.com>

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