"Target" Profiles Installed By Epson 4870/4990 Scanner?

[haverbach]

I have an Epson 4870 scanner. In the Windows XP "driver\color"
subdirectory there are several profiles named "ewadobe.icm",
"ewsrgb.icm", etc. If I go into Photoshop and view this subdirectory,
such as in the "Assign Profile" dialog, the full names of the profiles
appear, and the "ew" is definitely Epson. Were these profiles
installed along with the scanner installation (I also have an Epson
R800 printer)? If so, what do these particular Epson profile do?

I will note that the EpsonScan software has a section:
"Configuration>Color", inside of which there are a "Source" and
"Target" drop-down window.

Under "Source" there are only two options: Epson Standard and
Ricoh Russian (whatever that is). So I've chosen Epson Standard. Under
the "Target" drop-down window are listed Adobe RGB, sRGB, etc. Are
these profiles under the "Target" drop-down window the
"ewadobe.icm", "ewsrgb.icm", etc. as mentioned above?

Thanks,

Howard

 

[Jim]

I have an Epson 4870 scanner. In the Windows XP "driver\color"
subdirectory there are several profiles named "ewadobe.icm",
"ewsrgb.icm", etc. If I go into Photoshop and view this subdirectory,
such as in the "Assign Profile" dialog, the full names of the profiles
appear, and the "ew" is definitely Epson. Were these profiles
installed along with the scanner installation (I also have an Epson
R800 printer)? If so, what do these particular Epson profile do?

It would appear that ewadobe.icm is the profile which the scanner software
uses to output an image in Adobe RGB.
It would appear that ewsrgb.icm is the profile which the scanner software
uses to output an image in sRGB.

I will note that the EpsonScan software has a section:
"Configuration>Color", inside of which there are a "Source" and
"Target" drop-down window.

Under "Source" there are only two options: Epson Standard and
Ricoh Russian (whatever that is). So I've chosen Epson Standard. Under
the "Target" drop-down window are listed Adobe RGB, sRGB, etc. Are
these profiles under the "Target" drop-down window the
"ewadobe.icm", "ewsrgb.icm", etc. as mentioned above?

It would certainly seem so.
Jim

 

[haverbach]

Here's the full set of data --


The Problem:
Photos (I do only reflective work) scanned on my Epson 4870 import into
Photoshop overly saturated, especially the reds.


You'll Want to Know:
(1) I'm in Windows XP, (2) I have a calibrated and profiled monitor(s),
and (3) in Photoshop, I have the following "Color Management Policies":
Preserve Embedded Profiles; Ask When Opening (or Pasting)


Test and Results
IF: Photoshop Working Space = sRGB and Epson 4870 Scanner Color Target
= sRGB,
THEN: Image in Photoshop is correct, and matches the scanner's
"preview" screen.


IF: Photoshop Working Space = sRGB and Epson 4870 Scanner Color Target
= AdobeRGB,
THEN: Image in Photoshop is correct, and it matches the scanner's
"preview" screen.
(But note: Apparently the image imported as sRGB because (1) importing
did not trigger the "mismatched profile" dialog, and (2) on the bottom
left of the Photoshop screen, I set the option to show the profile of
the image; it reads "sRGB".)


IF: Photoshop Working Space = AdobeRGB and Epson 4870 Scanner Color
Target = sRGB,
THEN: Image in Photoshop is oversaturated and does not match
scanner's "preview" screen.
(But note: Apparently the image imported as AdobeRGB because (1)
importing did not trigger the "mismatched profile" dialog, and (2) on
the bottom left of the Photoshop screen, I set the option to show the
profile of the image; it reads "AdobeRGB".)


IF: Photoshop Working Space = AdobeRGB and Epson 4870 Scanner Color
Target = AdobeRGB,
THEN: Image in Photoshop is oversaturated and does not match
scanner's "preview" screen.
(Note: Apparently the image imported as AdobeRGB because (1) importing
did not trigger the "mismatched profile" dialog, and (2) on the bottom
left of the Photoshop screen, I set the option to show the profile of
the image; it reads "AdobeRGB".)


And separately, if an oversaturated, AdobeRGB image is in Photoshop
(workingspace also Adobe RGB) and I execute "Assign Profile" sRGB, the
oversaturation disappears; the image is ok and normal.


So these it is. Is something "broken"? How can I configure my system to
work in AdobeRGB, and have scanned images import into Photoshop tagged
AdobeRGB and be of the proper saturation? I thought about changing my
Photoshop "Color Management Policies" so as to convert upon opening,
but shouldn't help inasmuch as telling the scanner software to tag
AdobeRGB and importing into Photoshop with that working space still
results in overly saturated images.

Thanks,

Howard

 

[Roger S.]

Photoshop is fine and you should keep your workspace as AdobeRGB.

The probably seems to be with the Epson driver that doesn't correctly
convert from the device RGB to AdobeRGB. It seems to be just tagging
but not converting, and the resulting file is basically sRGB (even if
it's tagged differently).
I'd pick any of the above workflows that give you a correct looking
file in Photoshop (even untagged would be fine- you can assign a
correct profile in Photoshop) .