I thought this topic had been beaten to death with multiple threads about the topic. The most likely problem is that your epubs are not marked as using UTF-8. You can use calibre's Modify Epub plugin to correct this before sending the epubs to Amazon (turn off all the options except Encode HTML in UTF-8). BTW, the epub standard requires an epub to use either UTF-8 or UTF-16 encoding though I've only seen 2 epubs that used UTF-16.
One other item is that calibre's ebook-viewer is chromium based and like most web browsers tends to hide many errors. It is not a good test bed for how an epub will display on an eInk reader or most apps.
Last edited by DNSB; 11-27-2022 at 10:44 PM.
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