Please double-check the exact font names. They might be:
The reality is that you can find on a font marketplace or download as .ttf or .otf files. Instead, they are generic placeholders or internal labels created by software when a font is improperly embedded or encoded in a PDF document. What are CID Fonts? cid font f1 f2 f3 free download high quality
Identifying "CID Font F1 F2 F3" is the first step to resolving display issues in digital documents. These labels are not names of unique fonts you can download from a library, but rather generic placeholders generated by PDF software when the original fonts are missing or improperly embedded. Understanding CID Font F1, F2, and F3 Please double-check the exact font names
Since you can't download the placeholder, you have to use one of these workarounds: 1. The "Print to PDF" Trick (The Quickest Fix) This is the most common solution recommended in Adobe Community forums Open the PDF in a standard viewer (like Chrome/Edge on Windows). File > Print "Save as PDF" "Microsoft Print to PDF" as your printer. What are CID Fonts
Downloading the file is only half the battle. Here is how to install your high-quality F1, F2, F3 fonts correctly.
often represents a regular or light serif style.
Google’s and Noto Serif CJK are open-source, high-quality CID-keyed fonts covering all F1/F2/F3 roles: