QTR-Quadtone RIP

Hi,

Just to put my six pence worth in,  yes I am in the UK….. 

 

  I use an R2880  with Black, LK and LLK filled with Epson Ecotank bulk black pigment ink T7741, I think it is carbon based and LK and LLK were diluted with one of Paul’s formulas, generic colour pigment in the rest of the carts.  On this particular printer I am using Epson drivers and ABW (QTR is used on another Epson A3 printer) . Using just the three blacks with no toner the results are very warm – yes almost magenta.  So with a warm print I scanned it and examined the result in Photoshop, having ascertained how much off neutral it was  I then tried toning in ABW, I ended up with a very neutral monochrome print with -32 horizontal and 0 vertical in the advanced settings color controls. This gave a good result on Jessops heavyweight matt paper which is my favourite.  Epson Archival Matt was even warmer! 

Don’t know if this helps.

 

Cheers

Nigel in Cheshire

PS. Boots the Chemist stock Glycerine in 200mm bottles in the UK. 

 

 

From: QuadtoneRIP@yahoogroups.com [mailto:QuadtoneRIP@yahoogroups.com] 
Sent: 07 March 2017 15:01
To: QTR-Forum
Subject: Re: [QuadtoneRIP] Re: Ink Separation

 

  

The dedicated B&W inkset approach I use and advocate is based on my observation that most people cannot profile a system that uses more than a single bluish "toner" to cool the naturally warm carbon.  

 

The first few paragraphs of http://www.paulroark.com/BW-Info/ explain the "Variable tone" B&W approach.  The range of the inksets are from carbon warm to neutral to cool; no weird colors can be made because the toner "hare wires" the color blend.

 

FWIW,

 

Paul

www.PaulRoark.com