PDF with scanned book, not all letters are visible

lordofazeroth · 08-15-2016, 08:49 AM

Hi

On my Kindle Touch 5.6.5 I want do read a PDF.
The PDF is a scanned book, no text but pictures.
The PC displays every letter perfectely, on the kindle some are missing.

I think, this is due to the eink screen, some letters are recognized as too light vs others and are not displayed.

How can I display all letters, are there some settings?

Cinisajoy · 08-15-2016, 02:12 PM

Where did you get this PDF?
And is this the only document that does this?
If the answer to question 2 is yes, then it is the PDF.

And e-ink readers are not ideal for pdfs.

badgoodDeb · 08-16-2016, 12:54 PM

I think there's another thread that talks about this. As I recall, the answer may have something to do with the PDF being formatted with colors? Or was it grayscales? Rather than strictly B&W. If you created it, play around with those settings. If you didn't ... read it on a tablet instead?? Or just the PC. Or ignore the missing letters?

edit: Actually, even if you didn't create it, try RE-saving a copy on your PC with those settings changed.

Yourcat · 08-16-2016, 02:50 PM

According to https://www.mobileread.com/forums/sho...d.php?t=275477 your PDF may be 1bit B&W. ((Maybe with high DPI)). Creating it as grayscale should help to get around this Kindle feature.

08-15-2016, 08:49 AM	#1
lordofazeroth Connoisseur Posts: 70 Karma: 10 Join Date: Dec 2008 Device: kobo mini and kindle touch	PDF with scanned book, not all letters are visible Hi On my Kindle Touch 5.6.5 I want do read a PDF. The PDF is a scanned book, no text but pictures. The PC displays every letter perfectely, on the kindle some are missing. I think, this is due to the eink screen, some letters are recognized as too light vs others and are not displayed. How can I display all letters, are there some settings?

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08-15-2016, 02:12 PM	#2
Cinisajoy Just a Yellow Smiley. Posts: 19,161 Karma: 83862859 Join Date: Jul 2015 Location: Texas Device: K4, K5, fire, kobo, galaxy	Where did you get this PDF? And is this the only document that does this? If the answer to question 2 is yes, then it is the PDF. And e-ink readers are not ideal for pdfs.

08-16-2016, 12:54 PM	#3
badgoodDeb Grand Sorcerer Posts: 8,501 Karma: 64095689 Join Date: Jan 2008 Location: Harrisburg outskirts Device: Palms, K1-4s, iPads, iPhones, KV, KO1	I think there's another thread that talks about this. As I recall, the answer may have something to do with the PDF being formatted with colors? Or was it grayscales? Rather than strictly B&W. If you created it, play around with those settings. If you didn't ... read it on a tablet instead?? Or just the PC. Or ignore the missing letters? edit: Actually, even if you didn't create it, try RE-saving a copy on your PC with those settings changed.

08-16-2016, 02:50 PM	#4
Yourcat Groupie Posts: 175 Karma: 54048 Join Date: Mar 2016 Device: PW3 5.6.5-usbnet	According to https://www.mobileread.com/forums/sho...d.php?t=275477 your PDF may be 1bit B&W. ((Maybe with high DPI)). Creating it as grayscale should help to get around this Kindle feature.

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