Drag and drop the problematic PDF file into a tab.
The error happens because the creator of the PDF failed to the font data directly into the file. When you open the document, your PDF reader looks for the font on your device, cannot resolve the "F1" alias, and fails to render the text. Top Ways to Fix CID Font Errors cid font f1 f2 f3 download top
Click on the button at the top of the print dialog menu. Check the box labeled Print As Image . Click OK and then click Print . Drag and drop the problematic PDF file into a tab
Searching for "cid font f1 f2 f3 download top" may lead you to: cannot resolve the "F1" alias
echo "/F1 /NimbusMono-Regular ;" >> /usr/share/ghostscript/*/Resource/Init/Fontmap echo "/F2 /NimbusSans-Regular ;" >> ... echo "/F3 /NimbusRoman-Regular ;" >> ...