Cidfont-f1 F2 F3: F4 F5 F6 ((top))

: This indicates that only a subset of the font was embedded. The PDF only contains the specific characters used in that document to keep the file size small. Common Issues and Solutions

Need further help? Export a sample PDF containing Cidfont-f1 and inspect it with pdffonts -v or open a support ticket with your RIP manufacturer (e.g., EFI, Xitron, or Caldera). Do not ignore these generic names — they are silent sources of output inconsistency. Cidfont-f1 F2 F3 F4 F5 F6

Used for Chinese, Japanese, and Korean (CJK). : This indicates that only a subset of the font was embedded

In many technical documents or poorly exported PDFs, these generic names often map to standard system fonts: : Often mapped to Arial Bold . CIDFont-F2 : Often mapped to Arial Regular . Export a sample PDF containing Cidfont-f1 and inspect

You cannot simply double-click these files in Windows or macOS. Instead, use these professional methods:

If you’ve ever opened a PDF and been greeted by a cryptic error message stating that you aren’t alone. This issue typically occurs when a document is exported from software that fails to embed the original fonts properly, leaving the viewer with generic placeholders like F1 through F6. What is a CIDFont?

If you open a PDF and see these names in the properties, the original font—like Arial Bold Microsoft YaHei —has been "ghosted". The Consequence: