pdf protected (unprintable) despite item is public domain

[grathan]

Hello,

I'm trying to print this item which is marked as public domain. The file downloads fine and I can view all pages. But the vast majority of the pages of this pdf is protected such that it cannot be printed. Outside of pages 1-5 (out of 68), I have not yet found a page I could print.

https://s9.imslp.org/files/imglnks/usim ... rcises.pdf

By not being able to print, I mean either (I'm a mac user):
1) adobe reader gives error message "the document could not be printed" followed by "no pages were selected to print"
2) preview prints pages with solid black blocks covering 90% of the page

Is there a particular reason this pdf behaves this way? Can anything be done about this? Thanks

[coulonnus]

Try Method 3 in https://imslp.org/wiki/Locked_PDFs

[coulonnus]

Method 2 works well too but I didn't research the right resolution.

[grathan]

thanks coulonnus! this works great. I just used my existing pdf tool to "extract" all the pages and save it. Now everything prints properly!

It's interesting this is such a common issue there is a imspl page explaining workarounds. I have certainly come across other imslp downloads with the same problem. Previously some files would show black blocks covering 90% of the page when printed from Preview. My workaround was to print with acrobat reader. But the latest update to acrobat reader no longer works and gave me the errors I described.

I will look into uploading the unprotected to imslp. thanks a lot