Everyone:
I continue to be overwhelmed by the thought and skill shown in the replies to my query.
I am greatly appreciative though not sure what next steps to take since a lot of this is beyond my knowledge level. I'm fascinated by the conversation and would like to understand everything better than I do.
I would greatly appreciate a suggested process in words a much less knowledgable person (that is, me) can understand that would either help solve the problem or give you more information that would help move the discussion along towards a solution. I'm willing and anxious to learn. I do have a color checker target and did read through the babble color website, to some degree. I'm not sure if I need their $250 software or not to follow suggestions related to their site.
I will add a bit of info here that might be helpful:
1. I am perceiving the shift from blue (on the turquoise side) to blue (on the violet side) largely from what I see on the monitor to what I see coming out of the printer. This occurs both from images I have scanned and images artists bring to me. The primary artist involved, however, is bringing me images that he digitized with a scanner. I do have his originals for comparison. For others, I don't know the source of the images.
2. I have carefully profiled the scanner, monitor and printer, all three with i1pro and the scanner with other devices as well. The problem with the i1pro scanner profiling process is that it requires a scan of a target (I am using wolf targets) and I am not sure exactly how to get a scanned image that is not already affected by the scanner driver. VueScan has a process they say will do this as well as the Epson Scan driver, though I get quite different results depending on which I use to provide the image to i1pro. In the end, I have found that I get the best results with the scanner profile provided through Apple's operating system (not sure who provided it to them or how it was created).
3. Other than the blue issue, I am getting pretty good color pass through all the way from the scanner to the printer.
4. I have a t3i camera, and some soft boxes that provide lots of light. I have decided to use the scanner instead of the camera as I commonly need much better resolution than I can get from the camera. In the artwork I do with my partner, we commonly enlarge scans many times and images shot with the camera are inadequate. I also had serious color challenges using the camera input, but that was before I really knew how to manage color inputs from a camera. I now have some tools to help with that, including color checker and some Expodisc filters, though color checker is pretty much keyed to Lightroom, with which I have little experience. The scanner has been a simple solution and I can scan large artwork in sections and stitch it together in Photoshop and have them at high resolution.
5. I do have the Adobe Lightroom software (CS6), though I have only looked at it briefly and do not use it. I have been using Aperture to organize my images but use Photoshop CS6 to edit images. Everything is upside down in the Aperture world at this juncture.
I can provide any other info anyone would like.
Again, I appreciate the thought and time people have put into this. I seem to have struck an interesting topic.
--Kenoli