The original document only embedded a subset (some characters). Your system is looking for the full font.
| If you see... | Install this... | | :--- | :--- | | F1, F2 (Sans-serif) | Noto Sans CJK / Source Han Sans | | F3, F4 (Serif) | Noto Serif CJK / Source Han Serif | | F5, F6, F7 (Mixed) | IPAmj Font or Noto Sans CJK (Full pack) | The original document only embedded a subset (some
If you’ve ever opened a PDF and seen mysterious missing font errors like or CIDFont+F2 , you know how frustrating it is when your document looks like a series of dots or weird symbols. | Install this
: In many cases, these generic labels map to standard system fonts: Instead, "CIDFont+F1" is an used by PDF software
These are not specific high-quality fonts you can download from a website. Instead, "CIDFont+F1" is an used by PDF software when a font is embedded but its original name is hidden or lost during the export process.
CID stands for . Unlike traditional PostScript fonts (Type 1) which limit character sets to 256 glyphs, CID fonts are designed to support large character sets, typically for languages like: