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Old 08-11-2015, 01:17 PM   #210
shalym
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Posts: 3,058
Karma: 54671821
Join Date: Feb 2012
Location: New England
Device: PW 1, 2, 3, Voyage, Oasis 2 & 3, Fires, Aura HD, iPad
Quote:
Originally Posted by JSWolf View Post
Amazon has already done something really silly. They now have a new KFX format for eBooks with enhanced typesetting. I don't know if those eBooks are a different format or if they can have the DRM removed. The one test done by changing the extension to AZW3 and trying to remove the DRM failed but the test was flawed because the latest Calibre and the latest DRM removal plugin were not used. So the test was invalid.

Also, Calibre does not yet know about the new format. But an eBook with enhanced typesetting can be downloaded via USB and comes as n AZW3 version and can have the DRM removed.

KFX was found in eBooks with enhanced typesetting download to a Kindle PW2/3/Vouyager with the typesetting firmware.
I tried this again using the latest version of Calibre and latest tools and got the same error:
Quote:
calibre, version 2.34.0
ERROR: Could not open ebook: Unknown book type: '\x81\xc4\xde\x02\x9d\x8c#\x01'

Traceback (most recent call last):
File "site-packages\calibre\gui2\viewer\main.py", line 37, in run
File "threading.py", line 763, in run
File "site-packages\calibre\ebooks\oeb\iterator\book.py", line 100, in __enter__
File "site-packages\calibre\customize\conversion.py", line 241, in __call__
File "site-packages\calibre\ebooks\conversion\plugins\mobi_in put.py", line 33, in convert
File "site-packages\calibre\ebooks\mobi\reader\mobi6.py", line 78, in __init__
MobiError: Unknown book type: '\x81\xc4\xde\x02\x9d\x8c#\x01'
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