Once you know the real name, you can safely source that specific font.
If you are a creator looking to prevent your audience from running into F1–F7 font errors, follow these rules when exporting files:
If you are a developer or type designer wanting to modify CID-keyed fonts, is the industry-standard open source tool. It supports editing CID-keyed, Type 1, and CFF fonts seamlessly. You can use it to view the internal CID numbers or extract specific sub-fonts. Once you know the real name, you can
Most F1–F7 errors happen because a document uses Asian character sets that your local system does not support.
For (including F1–F7‑like coverage): You can use it to view the internal
If you have ever inspected a PDF file's properties or encountered a rendering error in Adobe Acrobat, you might have seen cryptic font names like listed as CID fonts .
| CID Tag | Most Likely Actual Font (Adobe Collection) | Typical Use Case | | :--- | :--- | :--- | | | Heisei Kaku Gothic Gothic W5 / Adobe Ming Std L | Bold sans-serif or serif body text | | F2 | Heisei Mincho W3 / Ryumin Light-KL | Serif body text (newspapers, books) | | F3 | Kozuka Gothic Pro B / Kaku Gothic B | Bold headings | | F4 | Kozuka Mincho Pro R | Elegant serif for subtitles | | F5 | Ryumin Light-KL / Adobe Heisei Std | Traditional book printing | | F6 | Girouard Gothic / Midashi GB | Display headlines | | F7 | Variant of F1 or F2 (often bold italic) | Emphasis or sidebars | | CID Tag | Most Likely Actual Font
This is the most important part for any user searching for these terms. The names "CIDFont+F1," "CIDFont+F2," and "CIDFont+F3" do refer to a specific, named font series that you can download.