Manually map the CIDFont names to their closest visual match (e.g., Arial, Roboto, or Myriad Pro) using editing software. Adobe Acrobat, Illustrator
Repacking CID font F1, F2, F3, and F4 offers several benefits, including:
(Optional) If using Adobe Acrobat, click the button at the top of the print menu and check the box for Print As Image . cid font f1 f2 f3 f4 repack
This is the most common cause. When a PDF is created from a source document (like a Word file or Adobe InDesign), it has the option to embed the fonts used. Embedding ensures that the PDF looks the same on any device, regardless of what fonts are installed. If the font is not embedded, the PDF only contains a reference to the font name.
: Instead of using character names, CID fonts use a number system to identify glyphs. Manually map the CIDFont names to their closest
Understanding CID Font Repacks: How to Fix F1, F2, F3, and F4 Errors in PDFs
Before we fix them, we need to understand them. When a PDF is created from a source
This technology also supports a modular structure. A CID-keyed font can be a collection of several "sub-fonts," each holding a related set of characters. For example, one sub-font might contain all the Latin letters, another the Hiragana or Katakana, and a third the thousands of Kanji characters.
Click on the tab (wrench icon) and select Embed missing fonts .