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Old 02-19-2024, 10:55 AM   #31
Quoth
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Probably a new Kindle-MTP driver would be best. I suspect any future Amazon Kindle eink models with more than 32G storage will also use MTP.
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Old 02-19-2024, 11:35 AM   #32
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Quote:
Originally Posted by pdurrant View Post
Moved.
This actually belongs in Kindle Formats as this has to do with KF8.
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Old 02-19-2024, 11:52 AM   #33
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Quote:
Originally Posted by jhowell View Post
No, that folder is still accessible using MTP.

The issue is that calibre uses separate drivers for Kindle devices and MTP devices. Only the Kindle device driver has the code to handle Kindle thumbnails. Fixing this requires significant changes to the calibre MTP driver or the creation of a new Kindle-MTP driver..
It doesnt need changes to the MTP driver as such, just somebody with a scribe needs to write additional code in that driver to do the thumbnail dance, when the device being managed is a scribe. The scribe isnt even available in my country so...
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Old 02-19-2024, 01:38 PM   #34
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Originally Posted by mg10 View Post
I've been testing and found a procedure to solve the issue with thumbnails, at least temporarily:

Firstly, I use Sigil to generate de thumbnail while converting proccess, or you can create the file with correct dimensions.
In Calibre:
Convert the ebook (in my case from epub to azw3)
Transfer it to the Kindle
After disconnect the kindle from pc, the generic thumbnail appears
Connect again the kindle to pc
With file explorer:
Go to Kindle Scribe\Internal Storage\thumbnails\
Sort the content by date. You will see the last file generated after transfering the book and disconnecting the device from pc. The format should be:

thumbnail_....._EBOK_portrait.jpg.tmp.partial

Line ends with ".tmp.partial"
This line corresponds to the last uploaded ebook. It's 0 KB of size.
Select and copy the entire name including the first extension "thumbnail_0b....._portrait.jpg". With the same format that the rest of files.
Rename the thumbnail file created with Sigil or your own method, with the copied text.
Copy the renamed file to this folder and delete the "partial" file.
After disconnecting from pc you will see the correct thumbnail.

I hope this helps whoever wants to see the thumbnails ok
Hi moderators
I don't know if you estimate that this can be uploaded in a dedicated post as a temporary solution to the thumbnail problem in Scribe for the most recent firmwares... although, maybe it's already well known
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