PRS-350 Blank PDF

Katla · 09-18-2012, 03:06 AM

Hi. I have the prs 350. I've been downloading books from archive.org.

Some pdfs work, some don't. The ones that don't are totally blank- white as a sheet. I opened up one of these and did a word search for a word I thought would probably be in the book- the search returned a number of matches on different parts of different pages, but still I see nothing. This leads me to believe that the text is 'in' there, but my display settings are wrong, which is odd, because I have other pdfs that work fine. What gives?

markom · 09-22-2012, 08:21 AM

Quote:

Originally Posted by Katla

Hi. I have the prs 350. I've been downloading books from archive.org.

Some pdfs work, some don't. The ones that don't are totally blank- white as a sheet. I opened up one of these and did a word search for a word I thought would probably be in the book- the search returned a number of matches on different parts of different pages, but still I see nothing. This leads me to believe that the text is 'in' there, but my display settings are wrong, which is odd, because I have other pdfs that work fine. What gives?

For a relatively quick solutions see my post from a few days ago about converting djvu to pdf with djview viewer or optimization in Adobe Acrobat.

https://www.mobileread.com/forums/sho...d.php?t=175652

If somebody knows/uses some other method/application, please write down a few lines about it.

dwig · 09-22-2012, 08:58 AM

I've encountered a few from Archive.org that display mostly blank pages on my Kindle K3 although they display properly in Acrobat Reader on my PC. All of these are created with separate layers including one for a background image of old paper and a transparent layer above it with the scanned text. I've "fixed" them by printing from Acrobat Reader/PC to a PDF virtual printer to create a "flattened" layerless PDF. The resulting PDF displays fine on my K3.

Printing this way can be slow as the necessary rendering and image merging is processor intensive (probably related to why they fail to display on low resource ereaders). Some took hours. The virtual PDF printer I use is one I've used for several years, PrimoPDF.

09-18-2012, 03:06 AM	#1
Katla Junior Member Posts: 1 Karma: 10 Join Date: Sep 2012 Device: prs-350	Blank PDF Hi. I have the prs 350. I've been downloading books from archive.org. Some pdfs work, some don't. The ones that don't are totally blank- white as a sheet. I opened up one of these and did a word search for a word I thought would probably be in the book- the search returned a number of matches on different parts of different pages, but still I see nothing. This leads me to believe that the text is 'in' there, but my display settings are wrong, which is odd, because I have other pdfs that work fine. What gives?

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09-22-2012, 08:58 AM	#3
dwig Wizard Posts: 1,613 Karma: 6718541 Join Date: Dec 2004 Location: Paradise (Key West, FL) Device: Current:Surface Go & Kindle 3 - Retired: DellV8p, Clie UX50, ...	I've encountered a few from Archive.org that display mostly blank pages on my Kindle K3 although they display properly in Acrobat Reader on my PC. All of these are created with separate layers including one for a background image of old paper and a transparent layer above it with the scanned text. I've "fixed" them by printing from Acrobat Reader/PC to a PDF virtual printer to create a "flattened" layerless PDF. The resulting PDF displays fine on my K3. Printing this way can be slow as the necessary rendering and image merging is processor intensive (probably related to why they fail to display on low resource ereaders). Some took hours. The virtual PDF printer I use is one I've used for several years, PrimoPDF.

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