Thanks to all who have replied, I have learnt something and will put it in to practice straight away! On 6 Jun 2007, at 11:00, eci-en-request(a)lists.callassoftware.com wrote: > Send ECI-EN mailing list submissions to > eci-en(a)lists.callassoftware.com > > To subscribe or unsubscribe via the World Wide Web, visit > http://lists.callassoftware.com/mailman/listinfo/eci-en > or, via email, send a message with subject or body 'help' to > eci-en-request(a)lists.callassoftware.com > > You can reach the person managing the list at > eci-en-owner(a)lists.callassoftware.com > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of ECI-EN digest..." > > > Today's Topics: > > 1. ISO Newspaper26v4 and Tone Value Sum (M. Frank) > 2. Re: TAC in ISOnewspaper26v4 (Roger Breton) > 3. Re: TAC in ISOnewspaper26v4 (kristoff.decroix(a)roularta.be) > 4. Re: TAC in ISOnewspaper26v4 (Peter Kleinheider) > 5. Re: TAC in ISOnewspaper26v4 (junglas(a)ifra.com) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Tue, 5 Jun 2007 13:56:06 +0200 > From: "M. Frank" &lt;m.frank(a)get2net.dk&gt; > Subject: [ECI-EN] ISO Newspaper26v4 and Tone Value Sum > To: &lt;eci-en(a)lists.callassoftware.com&gt; > Message-ID: <006701c7a768$81377080$2101a8c0@dtp> > Content-Type: text/plain; charset="iso-8859-1" > > Hi xxx > > > > There is a limit being applied by the profile, but it is dependent on > the choice of rendering intent and Black Point Compensation. > > The profiles default rendering intent is perceptual. Try without "Use > Black Point Compensation" Then you get 240%. > > > > According to ISO12647-3/2005 SE - Coldset offset lithography on > newsprint > > 4.2.7 Tone value sum > > Unless otherwise specified, the tone value sum should not exceed 240% > and shall not exceed 260% > > > > NB. Should not exceed 240%, not necessarily 240%. > > > > Maybe this will be of interest: > > By John Nate - Special to Newspapers & Technology > > "All of our recent testing and all the recommendations by the > Newspaper Association of America and Ifra recommend using perceptual. > While relative with black point of the destination works for many > print environments, perceptual simply gives us better results in > saturated and shadow colors today while maintaining good tonality > through the printable tone range". > > > > > > Best regards > > Mikkel Valentin Frank > > Copenhagen Polytechnic - Technology and communication >