: These typically denote variations of the primary font, such as Bold , Italic , or Bold Italic . Which is Better? Choosing Between F1–F4
If you tell me which software you’re seeing F1/F2/F3/F4 in (Acrobat, Ghostscript, printer, etc.), I can give a tailored fix.
Standard Type 1 fonts use single-byte encoding. You can only access 256 characters at a time. This is insufficient for:
The confusion arises when a user sees "F1, F2..." in a font missing error. When a system says "Cannot find CID font F1," it isn't looking for a font named "F1"; it is looking for the physical font mapped to key F1 .
: When a PDF viewer says a "CIDFont+F1" is missing, it means the software cannot find the original font on your computer or inside the PDF file to display the text correctly. How to Fix or Improve Them
In many technical papers or PDF documents, these placeholders typically correspond to standard font styles used throughout the document: Often represents Arial (Bold) Times New Roman (Regular) Often represents Arial (Regular) Times New Roman (Bold) Usually denote further variations like Bold Italics Why you see them Exporting Errors: