Lightroom: No Thumbnail Image on Exported .jpg Files on LR 3 and 4

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  • Updated 7 years ago
When generating .jpg files with imbedded printer profiles in the Print Module (Print Job: Print to JPEG file) to send to my off-site lab, there is no thumbnail on the image files. If I inspect the image files with "get info" function, it displays the image size "0 x 0 pixels", however the files are full size (12-18 MB) and readable by the lab after I up-load them.

On my Mac computer(and others have tested it on Windows computers with the same results) I cannot view them with the standard Preview app and I get a message of possible damaged file or a format that the Preview app doesn't recognize. I was having the same issue with LR 3 and thought that upgrading to LR 4 might solve the problem. I reinstalled Mac OS 10.7.3 Lion hoping that might also solve the problem. If I create a .jpg file from the export command in the Library Module, everything is OK. It is only with the Print Module.

Some have suggested that Adobe has disabled the thumbnail function deliberately, but I can not imagine why this would be desirable action, so I am reporting this as a bug.

Are others having the same problem? Any suggestions?

Jim.
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James Bodkin

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  • confused and frustrated

Posted 7 years ago

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jdv, Champion

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Works for me on Windows 7 with LR 4 (not an RC). The JPEG opens fine in any app I try.

And, as far as I know, it is not required that a JPEG image have anything in the ThumbnailImage or PreviewImage section of the metadata. It is legal for it to be null. No viewer should be complaining about that.

Have you tried different printer profiles, or even a display profile?
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James Bodkin

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Thanks for your reply John,
Did you generate the .jpg file from the PRINT module? That is were the problem is. JPEGS generated through the LIBRARY module do not have the problem.

I have had others say that Windows 7 has the same problem as I described, so I am puzzled that you had success.

Please describe your process as I, as well as others, would like to find the answer.

Jim.