Cid Font F1 F2 F3 F4

This separation of mapping from glyph storage creates tremendous efficiency. A single CIDFont file can serve multiple encoding systems, and multiple CIDFonts can share the same CMap resources.

Unlike traditional fonts that use a simple 1-byte encoding (max 256 characters), CID fonts are designed for (like Chinese, Japanese, Korean - CJK). They use a two-part system: cid font f1 f2 f3 f4

: Often represents the primary typeface in Bold style (e.g., Arial Bold). This separation of mapping from glyph storage creates

flowchart TD A[CID Font System] --> B[Two Core Components] B --> C[CMap Resources<br>Code-to-CID mapping tables] B --> D[CIDFont Resources<br>Glyph data indexed by CID] C --> C1[Predefined CMaps<br>Adobe-Japan1, Adobe-CNS1, etc.] C --> C2[Custom CMaps<br>Embedded directly in PDFs] They use a two-part system: : Often represents

If the error occurs frequently across multiple files, your printer driver is likely processing fonts incorrectly. Open your computer's or Control Panel . Go to Devices and Printers and right-click your printer. Select Printing Preferences or Device Settings .

When software compiles a PDF, it assigns generic internal short-codes like /F1 , /F2 , and /F3 to the fonts used in the layout's source code. If the application embeds those fonts correctly, your PDF reader swaps those internal codes for the real names (such as Arial or Times New Roman).