Cid - Font F1 F2 F3 F4

Here, references a Type0 CID font ( MS-Gothic-H ). Thus, CID Font F1 is the logical name used on that page to invoke that Japanese font.

Add a /ToUnicode stream using tools like cpdf or Adobe Acrobat Pro’s "Preflight" fixups.

If you want, I can:

Inside a PDF’s internal structure, fonts are referenced by . These names are typically short, often using a prefix like /F (for "Font") followed by a number. For example:

Alternatively, look for a setting named and change it to Outline or Bitmap instead of Native TrueType . Solution 3: Use a Different PDF Viewer cid font f1 f2 f3 f4

To help me give you the most accurate fix, could you tell me: What or device is showing this error? Are you trying to print , export , or just open the file?

Instead of writing out the full name of a font dozens of times throughout the code of a document, the PDF creator creates a shorthand table: might stand for Arial Bold F2 might stand for Times New Roman Italic F3 might stand for a specialized East Asian font F4 might stand for a custom logo font Here, references a Type0 CID font ( MS-Gothic-H )

When a PDF uses these placeholder names, it often means the font is or is a "poorly subsetted" version. This leads to:

The next time you see a PDF error complaining about F1 , you will know exactly what it means: The document is looking for its first Character Identifier font, and it cannot find the glyph outlines required to print or display the text. If you want, I can: Inside a PDF’s