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Two excellent references there! Thanks for sharing.

Just back from a three-day break with no internet so missed the early stages of this thread. FWIW here's why I use (and like) Gamutvision. Whenever I generate a profile the first thing I do is load it up in GV and evaluate it. The steps that I use have been discussed in other threads. If I am...

That's correct Harry. Under OSX it's not possible to use profiles with ABW. There is a workaround, but as I said in an earlier post, the 3880, with ABW can give very good results straight out of the box. For the sake of one sheet of A4 try the Northlight test image. I think you will be...

Try printing the Northlight test image on your 3880, on a good paper, like a baryta, using ABW. Gives the best darkroom prints a good run for their money.

If we are talking about B&W then by definition R=G=B. So, 16,776,960 of the possible RGB triplets are not allowed because they are not neutral. As soon as you force R=G=B you limit the possible values to 0-255. When you print the B&W image you may well see variations in tone (colour), but that...

In my experience with the 3800 and 3880, printing B&W is not a big deal. ABW does a very good job. More challenging is producing a good B&W image to print. Hence my advice to print a known good B&W image as a starting point. At least, if this looks good you can't then blame the printer if your...

The Epson ABW mode is a "black box" and doesn't work in the same way as colour printing using ICC profiles. All of the information that would be in the ICC profile for colour printing is built into the firmaware of the printer. You can vary the parameters, but only using the adjustments that...

An interesting discussion but I think we are in deep water when we start talking about "perception". I am not sure that in the context of a printer forum perception is entirely appropriate. A printer knows nothing about our perception of colour. All it is required to do is to reproduce, as...

Just saw that Argyll CMS has been updated to V 1.70. Lots of changes/fixes that wil not affect my use but a few things caught my eye. For example, from the change log:- "Improved gamut mapping to reduce unnecessary changes to less saturated colors such as skin tones." I've quickly generated a...

The ColorMunki, either with its native software or with Argyll, will make perfectly acceptable profiles. And if you use Argyll there is no need for Excel - not sure where you got that idea. If you read the (extensive) threads here on Argyll you will find that it can be almost a turnkey...

I think all the experts agree that editing output profiles is a bad idea.......... The ColorMunki with its native software will give you pretty good profiles. If you want to be more "involved" in the process then the suggestion by @The Hat will get you there.

You might like to try Harman CrystalJet. Nice paper, albeit with high OBA levels, and a very resonable price. Take a look at http://www.harmanexpress.com/prods/7/HARMAN-CRYSTALJET-ELITE.htm

You are not likely to need Color Base - it's only for calibrating the printer using a spectrophotometer like an i1Pro. There is really no need to re-calibrate the printer at this level. As for the ICC profiles, they should be installed automatically when you install the printer. Although I'm...

I just came across this http://www.russellcottrell.com/photo/ArgyllColorPatches.htm which gives a .ti1 file for an Argyll chart having a very limited colour gamut - all of the 404 patches are neutral or nearly neutral. I thought I would try it to see how it performed for B&W printing. I...

So you just want the roll paper holder then. No interest in the new inks?

I don't have any more information than you on that subject. Epson are not saying a lot about the head so you might think that it's much the same as the 3880. What they are making a song and dance about is the new HD ink set. My earlier point was that there's not much point buying it for the...

Certainly the UCK3 ink set is the same for all printers but it may be used in slightly different ways. From QTR curves it appears that the 4880 and 7880 have a lower maximum density than the 3880 for LK and LLK. Good luck with your visual approach, but I think you must verify it with actual...

I would not assume that the R2400 and the 3880 will have the same (printed) density ratios. They are different printers so the ink partitioning may be different even if the ink is the same.

The refilling issue is a big one I thnk. One of the advantages of the P800 over the 3880 is the new UltraChrome HD ink set which gives denser black, wider colour gamut and much improved stability of the yellow pigment. Third-party inks will never equal these OEM inks no matter how long you wait...

Here is the complete ink separation plot for my 3880 with OEM ink. For the LC and LM 100% is equivalent to 30% C and M respectively. That seems to fit very well with your dilution numbers. I should say that this scan is not colour corrected, and since the colours are very saturated the...