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jhousemb
Participant
May 13, 2017
Question

Watermark in Process Multiple Files not working on TIFF files

  • May 13, 2017
  • 1 reply
  • 436 views

I am scanning negatives using an Epson V700 photo scanner.  When I try and use the Process Multiple Files feature in PSE to add a watermark it doesn't work.  There are no errors in the log, the watermark just isn't there.  The feature works with other TIFF files, just not the ones created via the scanning of the negatives.  My thought is that there is something funky with the TIFF files created by the scanner.  I have a support email into Epson, but since it is a discontinued scanner I'm not holding out much hope for help there.

One idea was to scan via PSE.  However when I try to scan via PSE I don't get the option to scan negatives so the light in the top of the scanner isn't used so it doesn't work.

I also used the Process Multiple Files feature to create new TIFF files via PSE hoping that whatever was causing the issue would be removed via PSE.  This doesn't solve the problem either.

I will be scanning 1500-2000 negatives so batch watermarking is essential.

Any suggestions?

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    1 reply

    Peru Bob
    Community Expert
    Peru BobCommunity Expert
    Community Expert
    May 13, 2017

    Just a long shot:

    Try resetting the preferences.

    Do other tiffs (not from the scanner) work?

    J
    jhousembAuthor
    Participant
    May 13, 2017

    What settings are you suggesting that I reset.  I don't think that I ever set any besides default.

    Yes, other .TIFF files that I have work as expected.

    I have done some more testing and here is what I have come up with so far:

    - The negatives are old B/W so I scanned at 16-bit grayscale.  I'm not photo geek but I always figure that at the source I should use a high number on a setting given the option (within reason).

    - I re-scanned a few and messed with some settings.  I changed from 16-bit grayscale to 8-bit grayscale.  Now the files in PSE process multiple files works as expected.

    BTW, I scanned at 600dpi.

    So now:

    - Why does PSE treat the two files, one 16-bit and one 8-bit grayscale differently?

    - If I decide to scan at the lower setting will my printed photos be affected?  What else will be affected? (I'm not a photo geek so please excuse my ignorance)

    - Is there a way to change the grayscale bit rate to a bunch of photos in batch mode?

    Thanks for your help

    Peru Bob
    Community Expert
    Peru BobCommunity Expert
    Community Expert
    May 13, 2017

    jhousemb  wrote

    - If I decide to scan at the lower setting will my printed photos be affected?  What else will be affected? (I'm not a photo geek so please excuse my ignorance)

    I can't answer the other questions (maybe somebody else will chime in here), but here are some links to read about 8 bit vs. 16 bit scans:

    https://www.google.com/search?q=difference+between+8+bit+and+16+bit&oq=difference+between+8+bit+and+16+bit&aqs=chrome..6…

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