Cidfont F1 F2 F3 F4 F5 F6 Full ((hot)) | 99% Real |

These are not specific "font families" like Arial or Times New Roman. Instead, they are internal aliases:

2. The "F" Designators: What are F1 through F6?

When viewing a raw PDF file or a PostScript log, you will often see resources named F1, F2, F3, F4, F5, F6, and so on. There is a common misconception that these refer to specific "system fonts." They do not. cidfont f1 f2 f3 f4 f5 f6 full

• Character Set Size: Evolved through versions (from 7,792 to over 23,000 glyphs in Adobe-Japan1-6).
• Typical Fonts: Kozuka Mincho Pro, Kozuka Gothic Pro, Source Han Sans (Japanese subset).
• Key Features: Supports JIS X 0208, JIS X 0212, and JIS X 0213 standards. Includes proportional Latin, circled numbers, and Japanese-specific kana ligatures.
• Common CMap Names: 90ms-RKSJ-H, 90pv-RKSJ-V, UniJIS-UTF16-H.

; this will show you which "actual" fonts the CIDFonts are trying to replace. Are you trying to fix a broken PDF or are you a document and need to define these font names manually? Impossible fonts to be found / Fontes impossíveis de achar These are not specific "font families" like Arial

• F1 came first (Japanese, due to Adobe’s early focus on the Japanese market).
• F2 (Simplified Chinese)
• F3 (Traditional Chinese)
• F4 (Korean)
• F5 (Reserved/Extended Korean – never widely adopted)
• F6 (Supplementary Japanese)

Understanding CIDFont F1 F2 F3 F4 F5 F6 full mapping is not just an academic exercise—it is a critical troubleshooting skill for prepress technicians, PDF optimizers, and archival specialists. Character Set Size: Evolved through versions (from 7,792

If these fonts aren't properly "embedded" in the file, your computer doesn't know how to display them. Since the real font name (like "Roboto" or "Helvetica") is hidden behind the