Thanks Philippe, for the information. Mel --- In QuadtoneRIP@yahoogroups.com, Philippe Bachelier <philippe.bachelier@...> wrote: > > It's fine. Copy and paste these numbers in a .txt file and open it with QTR-Create-ICC to get a profile. Numbers look typical of a Matte paper with ABW mode. > Epson printers seem to behave exactly in the same way with wether you select Archival Matte or Enhanced Matte. > > Philippe > > Le 25 juil. 2011 à 15:00, Mel a écrit : > > My original post omitted the printing resolution of 1440 Super. > I have printed a further step wedge using a resolution of 2880 and record very little difference as shown below. > > 100 1.60 > 95 1.42 > 90 1.28 > 85 1.13 > 80 1.02 > 75 0.95 > 70 0.86 > 65 0.78 > 60 0.70 > 55 0.63 > 50 0.55 > 45 0.48 > 40 0.42 > 35 0.37 > 30 0.32 > 25 0.28 > 20 0.23 > 15 0.19 > 10 0.15 > 5 0.11 > 0 0.08 > > Incidentally I have heard it said that Epson Enhanced Matte is the same as Epson Archival Matte - this is not so as the Enhanced Matte is noticably a brighter white than the Archival Matte, although giving the same densitometer reading of 0.08. The Enhanced Matte is also considerably more expensive, certainly here in the UK. > > I would still appreciate the forums opinion as to whether thes readings what I should be getting. > > --- In QuadtoneRIP@yahoogroups.com, "Mel" <chilterns@> wrote: > > > > I have printed off the 21step.tif using the QTR Graphical Interface with the following hardware, ink, paper and preset. > > > > Epson 1290 > > Epson Enhanced Matte > > UT2 inks > > Neutral preset > > > > I have used the X-Rite 810 for reflective measurements on the Visual setting and have recorded the following readings from the step wedge:- > > > > 100 1.59 > > 95 1.43 > > 90 1.30 > > 85 1.17 > > 80 1.05 > > 75 0.97 > > 70 0.88 > > 65 0.80 > > 60 0.72 > > 55 0.66 > > 50 0.59 > > 45 0.52 > > 40 0.46 > > 35 0.41 > > 30 0.36 > > 25 0.31 > > 20 0.26 > > 15 0.21 > > 10 0.17 > > 5 0.12 > > 0 0.08 > > > > The 810 is calibrated and gives the correct readings of 0.09 on the white patch and 1.79 on the black patch of the calibration plaque. > > > > My question is, are the readings what I should expect of the paper/printer/ink/densitometer combination ? > > > > > > > > [Non-text portions of this message have been removed] >
Message
Re: 21step.tif
2011-07-25 by Mel
Attachments
- No local attachments were found for this message.