If you are looking for "CID font F1 F2 F3 F4 F5 F6 F7" to download, it is important to know that these are not actual font names you can download from the internet.
If you are seeing "F1," "F2," etc., you are likely looking at internal PDF object references or printer font substitutions, rather than the actual names of commercial fonts. CID font F1 F2 F3 F4 F5 F6 F7 Fonts Free Download
F3, F4, F5, etc.: Usually represent other weights (Italic, Black) or additional fonts like Myriad Pro. How to Fix Missing CID Font Errors If you are looking for "CID font F1
Understanding CID Font Series: F1, F2, F3, F4, F5, F6, and F7 OpenType Font Project : This project provides a
Important: The actual mapping varies depending on the software (Acrobat version, Distiller settings, or RIP). Therefore, downloading a file named "F1.otf" will rarely solve the problem. Instead, you need the actual font that the /F1 tag refers to.
Missing Mappings: If you see an error for "CIDFont+F1," it usually means the PDF was created without fully embedding the font data, or the encoding (often "Identity-H") is corrupted.