>>>>>>> Not at all. I've seen two different units of the same scanner give >>>>>>> very different tone scans with the same options set. You need a >>>>>>> reference target to scan. >>>>>>> >>>>>>> allan >>>>>> >>>>>> But color management can be used after the fact, right? ?I'd like to >>>>>> have a reference copy of everything I scan that I can apply things >>>>>> like color management or unsharp mask to later on. >>>>> >>>>> Yes- if the colors are reasonable, a profile specific to that machine >>>>> could be used to clean it further >>>>> >>>>> allan >>>> >>>> So if I make sure my gamma correction is always at 1.8 and I always >>>> leave all the sliders alone, I should be able to produce consistent >>>> reference scans that I can apply the same set of adjustments (ICC >>>> profile, maybe others) to later on to produce something as accurate as >>>> possible? >>>> >>>> I just want to make sure I'm not forgetting anything. >>> >>> In theory, yes. But software upgrades might change a calibration algo, >>> and the sensors and lamp will drift over time, and the temperature in >>> the room will change, which might cause small changes. The only proper >>> way to get true stability is to run a color target periodically, and >>> rebuild your profile. That implies that you should be applying the >>> profile as you scan, or storing the scan of the color target serially >>> with your normal scans for later processing. >> >> Storing the scan of the color target as I scan is an interesting idea. >> ?Could the same thing be done with a "white marks" target to later >> move pixels to eliminate artifacts? > > Yes- though checking the manual for a calibration procedure would be easier :) > > allan
I've checked the manual, searched the unit's front panel, Googled, and called Epson but there doesn't seem to be a calibration procedure. Can you point me in the right direction with a white marks target setup? - Grant
