Can't change font on Paperwhite 11th Gen

zakman · 07-05-2022, 10:00 PM

I have one of the new 6.8" Paperwhites, which I believe is 11th gen. From time to time I will download a book, convert it using Calibre, and sideload it back to the Kindle. I'm able to open and read the book, but the font is apparently locked and cannot be changed. I noticed this on my previous 10th-gen Kindle as well. Anyone know what causes this, and how I can work around it?

rcentros · 07-05-2022, 10:27 PM

Quote:

Originally Posted by zakman

I have one of the new 6.8" Paperwhites, which I believe is 11th gen. From time to time I will download a book, convert it using Calibre, and sideload it back to the Kindle. I'm able to open and read the book, but the font is apparently locked and cannot be changed. I noticed this on my previous 10th-gen Kindle as well. Anyone know what causes this, and how I can work around it?

I've run into this also. I'm not an expert, but I think, when you're converting, you need to go to Styling and completely remove the old fonts.

zakman · 07-05-2022, 11:11 PM

That may have done the trick. I say "may" because after commenting out all of the fonts and reloading the book to my Kindle, it still came up in that same font. Only after I changed my themes around and tried switching the fonts again did it suddenly start behaving. Still, it's doing what I want now, so will count that as a win. Thanks for the help!

tekkasit · 07-06-2022, 01:00 AM

I think you convert to MOBI which does not support advanced layout, including custom font settings. You need to convert to AWZ3 format instead.

unkn0wn · 07-06-2022, 01:57 AM

convert book to kfx format using kfx output plugin. It'll support all the options that are possible in a kindle. (but won't support periodical formatting like mobi)

Sirtel · 07-06-2022, 07:55 AM

Quote:

Originally Posted by unkn0wn

convert book to kfx format using kfx output plugin. It'll support all the options that are possible in a kindle. (but won't support periodical formatting like mobi)

KFX doesn't support custom font sizes (the FONT_RAMP hack) or reduced margins in the css. Only AZW3 supports those.

JSWolf · 07-06-2022, 08:01 AM

Quote:

Originally Posted by Sirtel

KFX doesn't support custom font sizes (the FONT_RAMP hack) or reduced margins in the css. Only AZW3 supports those.

And KFX also does not support lower line height in the font's metrics.

Quoth · 07-06-2022, 08:06 AM

Quote:

Originally Posted by unkn0wn

convert book to kfx format using kfx output plugin. It'll support all the options that are possible in a kindle. (but won't support periodical formatting like mobi)

No, KFX is actually more limited. The azw3 is best for Kindle.

tomsem · 07-06-2022, 12:49 PM

It depends on your use cases. I don’t side-load much, but I prefer KFX because I want it to look and feel like what I download from Amazon. I have little interest in jail breaking or fine tuning margins and font sizes.

Sirtel · 07-06-2022, 01:03 PM

Quote:

Originally Posted by tomsem

It depends on your use cases. I don’t side-load much, but I prefer KFX because I want it to look and feel like what I download from Amazon. I have little interest in jail breaking or fine tuning margins and font sizes.

Yes, of course. We just pointed out that KFX doesn't support all the options possible on a Kindle. Whether one is interested in those options or not is another kettle of fish.

What KFX does support and other formats don't, are kerning, ligatures and other typographical niceties.

JSWolf · 07-06-2022, 01:58 PM

Quote:

Originally Posted by Sirtel

Yes, of course. We just pointed out that KFX doesn't support all the options possible on a Kindle. Whether one is interested in those options or not is another kettle of fish.

What KFX does support and other formats don't, are kerning, ligatures and other typographical niceties.

What other typographical niceties besides hyphenation (which you can get with KF8 by adding soft hyphens)? One missing typographical nicety missing is reducing the line spacing in KFX. It's fixed.

Sirtel · 07-06-2022, 01:59 PM

Quote:

Originally Posted by JSWolf

What other typographical niceties besides hyphenation (which you can get with KF8 by adding soft hyphens)? One missing typographical nicety missing is reducing the line spacing in KFX. It's fixed.

Frankly I don't know what other niceties, as I don't use KFX.

JSWolf · 07-06-2022, 03:52 PM

Quote:

Originally Posted by Sirtel

Frankly I don't know what other niceties, as I don't use KFX.

Then why mention it if you don't know if it actually exists?

Sirtel · 07-06-2022, 04:55 PM

Quote:

Originally Posted by JSWolf

Then why mention it if you don't know if it actually exists?

Why not? They might.

innocenat · 07-07-2022, 12:10 PM

KFX support kerning. AZW3 doesn't.

But most people probably won't see the difference.

07-05-2022, 10:00 PM	#1
zakman Enthusiast Posts: 35 Karma: 2119794 Join Date: Jan 2016 Device: Kindle Paperwhite 2019	Can't change font on Paperwhite 11th Gen I have one of the new 6.8" Paperwhites, which I believe is 11th gen. From time to time I will download a book, convert it using Calibre, and sideload it back to the Kindle. I'm able to open and read the book, but the font is apparently locked and cannot be changed. I noticed this on my previous 10th-gen Kindle as well. Anyone know what causes this, and how I can work around it?

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07-05-2022, 11:11 PM	#3
zakman Enthusiast Posts: 35 Karma: 2119794 Join Date: Jan 2016 Device: Kindle Paperwhite 2019	That may have done the trick. I say "may" because after commenting out all of the fonts and reloading the book to my Kindle, it still came up in that same font. Only after I changed my themes around and tried switching the fonts again did it suddenly start behaving. Still, it's doing what I want now, so will count that as a win. Thanks for the help!

07-06-2022, 01:00 AM	#4
tekkasit Groupie Posts: 176 Karma: 200056 Join Date: Feb 2009 Location: Bangkok, Thailand Device: Kindle Scribe, K3, Voyage, Oasis 3	I think you convert to MOBI which does not support advanced layout, including custom font settings. You need to convert to AWZ3 format instead.

07-06-2022, 01:57 AM	#5
unkn0wn Fanatic Posts: 595 Karma: 85520 Join Date: May 2021 Device: kindle	convert book to kfx format using kfx output plugin. It'll support all the options that are possible in a kindle. (but won't support periodical formatting like mobi)

07-06-2022, 12:49 PM	#9
tomsem Grand Sorcerer Posts: 6,900 Karma: 27013865 Join Date: Apr 2009 Location: USA Device: iPhone 15PM, Kindle Scribe, iPad mini 6, PocketBook InkPad Color 3	It depends on your use cases. I don’t side-load much, but I prefer KFX because I want it to look and feel like what I download from Amazon. I have little interest in jail breaking or fine tuning margins and font sizes.

07-07-2022, 12:10 PM	#15
innocenat Zealot Posts: 125 Karma: 2691856 Join Date: Feb 2022 Device: PPW5, Quaderno A4, Supernote A6X, Leaf 2	KFX support kerning. AZW3 doesn't. But most people probably won't see the difference.

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