Finally found a moment to compare the output sent from Photoshop to the
output sent from ACPU, and there's a huge difference between the two,
confirming what others reported here.
At first sight, I would say it's as though ACPU turns the "driver" into a
"CMY" printer, as opposed to an "RGB" printer? It's plain to see.
Now which one is "better"?
I need to find an application outside of the Creative Cloud, to "compare".
Perhaps, on Windows, one of Microsoft's imaging apps? On Windows 10,
"Photos.exe"? Only problem (read "limitation") is that Photos.exe does not
allow accessing the printer "Preferences" from its printing dialog -- darn?
(I have to set the Preferences from Settings > Devices > Printers & Scanners
myPrinter > Manage > Printing Preferences) Which adds an element of"uncertainty" to the process until, I guess, one learns to "trust" the