Actually, it is not the image causing the problem. I have moved it to another page and it is working correctly there. Somehow it is the page that the epub treats as an image. It is a basic text frame, no empty graphics frame underneath. The text is searchable within the chapter, but then becomes an image at the end of the chapter.
Do you have EPUB export set to create a cover by rasterizing the first page? That would produce an effect something like this, but the cover is usually the first (special) page in the document.
No, I have uploaded a JPG of the cover.
Are you exporting to FXL (fixed) or reflowable? I've never seen reflowable create extra pages/page images except as a bug in doing a rasterized cover. FXL might be interpreting a page layout oddly, though.
Huh. Reflowable never creates graphic images of pages and content, other than related to the cover. Try exporting with "Cover: None" to see if that eliminates the extra page.
Just exported with cover set to none - but the problem page/image is still there.
I'm out of ideas. Can you post the INDD file, or some subset/copy/mockup of it that still has the problem?
So when I created an Indesign file just with that chapter containing the image/page and exported this to epub, the problem disappeared. Not sure what that means....
Try the "big fix" — export the document to IDML and re-open it. That often fixes problems and corrupted content.
I have done that - more than once. Doesn't fix it, unfortunately.
Without seeing the file, I'm stumped. Not sure I have ever seen any equivalent problem except in the ways already checked off.
In the end I created a new InDesign document which solved the problem. I wasted too much time trying to solve the issue. It must have been a corrupted file.
Many thanks for your help though.
No worries, that's what this community is for.
Keep the trick at hand, though. Many times a frustrating glitch like this is due to file corruption and the cleanup process will get rid of it. It's often easier to proof and touch up a 'cleaned' file than to keep battling a glitch.