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Old 05-20-2019, 03:19 PM   #1
lednaw
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Unhappy Mars: Impossible to read pdfs of scanned books

Hi there!

I borrowed few scanned books from Archive.org in pdf formats. It's impossible for me to read these on my Likebook Mars. The files work fine on my computer, but on the e-ink reader it's just a headache :
For example one pdf is 35mb big, and it needs one and half minute to open, and if I want to jump to a specific page I do need to wait another minute to be able to read it. The same happens with other apps like Koreader etc. than the standard Boyue OS one.
The battery with wifi and bluetooth off is also draining pretty fast, when I try to read these pdfs.
Do you experience similar issues?

Thanks for your feedback!
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Old 05-20-2019, 03:24 PM   #2
deynon
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I use usually bigger pdf and I don't find such trouble. The bigger the file a bit slower it becomes, but nothing as sirious as your one.
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Old 05-20-2019, 09:34 PM   #3
dwig
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I've encountered the occasional excessively complex PDFs from various sites, including Archive.org, that would give my old Kindle K3 fits. My quick-and-dirty fix has been to open them in a PDF viewer on my PC and print to disk as PDF using a "virtual printer". This creates a simple flattened PDF that my K3 has no difficulty with. Usually, the original PDFs were burdened with multiple layers and included some bitmap of textured paper as a page background.
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Old 05-23-2019, 03:49 PM   #4
Thelele
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Try using k2pdfopt by another member here to reformat them?
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