: These names are often random substitutes created by the exporting software.
are simply generic, internal aliases or placeholders created by the PDF generator.
When you see , it means: "The font resource named F1, which is a CID-keyed font."
If you don't need to edit the text but just need it to display correctly, use the tool in Acrobat to "Convert fonts to outlines". Summary of Common Replacements Placeholder Name Likely Actual Font CIDFont+F1 Arial / Times New Roman (Regular) CIDFont+F2 Arial / Times New Roman (Bold) CIDFont+F3 Arial / Times New Roman (Italic) CIDFont+F4 Arial / Times New Roman (Bold Italic) cid font f1 f2 f3 f4
: The CID font is present, but the character mapping is incorrect. Symptoms : Text appears, but characters are wrong (e.g., kanji render as hiragana, simplified Chinese appears as traditional). Solution : Verify that the correct CMap resource is available and properly referenced. Common CMaps include Adobe-Japan1, Adobe-GB1, Adobe-CNS1, and Adobe-Korea1.
Click the button at the top of the print dialog box. Check the box that says Print As Image . Click OK and hit Print .
However, if the system fails to correctly package or reference the font program, the reader exposes the raw compile data. The numbers within that specific document: Placeholder Label Common Underlying Meaning Example Substitution CIDFont+F1 Primary body text font (Regular) Arial Regular CIDFont+F2 Primary text alteration (Bold or Italic) Arial Bold CIDFont+F3 Accent text, subheaders, or heavy weights Arial Black or Heavy CIDFont+F4 Secondary structural text (Captions, Footnotes) Arial Italic : These names are often random substitutes created
These codes are part of , which are crucial for rendering complex, multi-language, or highly stylized text. What are CID Fonts?
Look for an option related to fonts, such as .
Searching Google for these fonts yields no download links or design foundries. This is because . which are crucial for rendering complex
: CID fonts are subsetted (only containing used characters) and the subset doesn't include necessary glyphs. Symptoms : Some characters render correctly while others display as missing glyph markers. Solution : Re-embed complete CID fonts or ensure the subsetting process includes all required character ranges.
: Validate your workflow using documents that actually contain multiple CID fonts, not just simplified test cases.
Desktop publishing applications like Adobe InDesign, QuarkXPress, and Scribus often generate PDFs with sequential font resource names. When you export a document containing four different CID-keyed fonts, the resulting PDF will typically label them F1, F2, F3, and F4.
When a PDF fails to read or print due to "CID Font F1" or "F2" errors, it usually comes down to three main culprits: 1. Incomplete Font Embedding