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01/25/2010

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I found this description of your workflow most interesting because you are obviously not getting the quality drop that I am getting in the export from InDesign CS4 to the PDF format. I asked about this in an earlier comment and said that I was researching this issue in internet resources, but I have still not found any mention of the issue. So I must assume it's something I am doing. But it's so close to what you do in the PDF Publishing DVD that I'm unable to find any reason why I should get banding. The banding is not present in the PSD or Indesign Document.
Any suggestions would be more than welcome.
Jim Swift

I've found the term "banding" can lead to some confusion — a term I see people use for completely different problems. Can you describe what it is you are seeing in your prints that you refer to as banding?

Hi Brooks,

I think you are spot-on with regards to the modern Epson drivers and out of the can profiles. I used to use ImagePrint RIP on my Epson 2200 which was necessary to get a good print that didn't have metamerism, etc. When I upgraded to the 3800 (I got a good deal just before the 3880 came out) I held off on upgrading my RIP for the printer (another $400 outlay) and I'm glad I did. The Epson driver performs perfectly each time without exception. People marvel at my prints and I too feel a bit guilty but I also tell them how easy it is given the right printer and driver (and paper) these days.

I know this might be a kind of nitty-gritty question (but hey isn't that what this blog is for) but what are the settings you use in the Advanced B&W mode to achieve the tones you use in the folios? I own a few of the folios and I like the tones you use but haven't gotten around to experimenting yet (which as you know is costly in terms of ink and paper). I'm using both Harman FB AL and FB AL Warmtone papers (which is what I think you use as well).

Life has never been better for printing photos (especially B&W ones) IMHO!

Paul

Thank you for detailing your print making workflow using Epson print engine and ABW. Now if only Epson could give us the facility to soft-proof the potential output of the ABW engine! Well maybe one day....

Thanks, Brooks.
The image in question has a smooth gradient (CS4) background going vertically from light green to blue.
http://www.capacanada.ca/digitalcircuit/group1/jswift/index.html
To my eye, the transitions are smooth in the psd file, but are not as smooth in the pdf. There are horizontal bands where the colour does not quite follow the expected transition. http://jhsw.ca/bandtest.pdf
Many thanks
Jim

You're making the smooth gradient in InDesign, right? By any chance have you tried making the gradient in Photoshop and importing it as a background image? If it still bands, I might try changing the gradient a bit or adding a little Gaussian noise to break up the banding pattern.
Another question — perhaps this should have been the first question — is how are you exporting the PDFs? JPEG images or Zipped LZW? If JPEG, what compression and ppi?
And finally, when you look at the PDFs, what magnification on what monitor?
There are lots of variable in this and it might be necessary to do some testing to eliminate the factors that are not contributors.

Thanks, Brooks. The gradient was made in Photoshop as background to the leaf layer. I am not exporting PDFs at all. I just create the pdfs through InDesign following the steps in your PDF DVD. I import the PSD into Indesign and create the pdf at 300 ppi. I have a NEC 2690 monitor which has a wide gamut and calibrated regularly. I compare the psd and pdf views at 100%.
Thanks for the tip about adding noise. I had not considered that.
I was able to reproduce the problem just by creating a gradient in a PSD file, importing the PSD file into InDesign and then making a pdf file. I will repeat that test later today using the noise addition.

Many thanks for the helpful suggestions. Much appreciated. I have a solo exhibition coming up in May and want to make a CD with a pdf of the exhibition. Two of the images in the exhibition have these gradients and I want to make the pdf as high a quality as I can.
Jim

Hi Brooks,

I'm a little late commenting on this post but it's become more relevant to me since I just switched from an Epson 4800 printer to a Canon ipf5100. Since I have Epson papers left over, I've been printing on the Canon using it's printer driver and just choosing the paper type that seems the closest match to the Epson. The results look fine. So I'm wondering if we've all been wasting our time with custom paper profiles and letting Photoshop run the printer, or if I (and you) have just got lucky in for these particular papers? Thoughts?

I have no idea. I am certain, however, that I am more than willing to accept luck when it lands on my doorstep. Brighter minds than mine will need to sort this out. I'm more interested in making artwork than fiddling with technology, so for me the fact that I can get great color without custom profiles is a godsend. I'm happy to work blissfully ignorant of the why and just do the work. If it stops working, then I'll take the time to figure it out.
Brooks

Thanks for your perspective Brooks. I admire and aspire to the blissfully ignorant approach, but the scientist in me keeps thinking I should know the why as well. Or maybe I'm getting that feeling confused with thinking I need to know the why in order to somehow "deserve" the output quality I get. Obviously psychoanalyzing myself too much!

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