The terms do not refer to specific downloadable font files; rather, they are generic placeholder names assigned by PDF creation software when the original font was not properly embedded or named.
| CID Label | Typical Role | Free Font Download | |-----------|--------------|--------------------| | | Japanese sans‑serif | Noto Sans CJK JP – Google Noto | | F2 | Japanese serif | Noto Serif CJK JP – Google Noto | | F3 | Korean sans‑serif | Noto Sans CJK KR – Google Noto | | F4 | Korean serif | Noto Serif CJK KR – Google Noto | | F5 | Chinese Simplified | Noto Sans CJK SC – Google Noto | | F6 | Chinese Traditional | Noto Sans CJK TC – Google Noto | | F7 | Fallback / Mono | Noto Mono or Sarasa Gothic – GitHub (Sarasa) | cid font f1 f2 f3 f4 f5 f6 f7 fonts free download work