If you need to use the file in Adobe Illustrator , don't open it directly. Instead, Place/Import it into a new document and use the Transparency Flattener to turn the text into outlines.
If you are encountering issues where F1 , F2 , or F3 appear as errors or garbled text, consider the following solutions:
Open the new file. This process strips away the broken font code and replaces it with standard system graphics. Method 3: Use the "Print as Image" Option cidfont f1 f2 f3 f4 f5 f6 full
CIDFonts natively support vertical writing (V) variants. For F1 (Japanese), a CMap ending in -V (e.g., 90pv-RKSJ-V ) rotates and reorders glyphs for vertical text layout. F2, F3, and F4 also have vertical variants, though less common.
Change the destination printer to or "Adobe PDF" . Uncheck "Headers and footers" and click Save . Import this newly generated file into your editing program. Summary Checklist If you need to use the file in
: Programs like AutoCAD or older scanners sometimes generate messy PDF code that names fonts incorrectly (e.g., creating conflicting F1-F6 tags). How to Fix "Cidfont F1 F2 F3 F4 F5 F6" Errors
Have you ever opened a PDF document only to find missing text, strange characters, or a pop-up error mentioning ? This process strips away the broken font code
to view the PDF (e.g., Adobe Acrobat, Chrome)?
Here's a brief overview of each font in the CidFont F series:
: The original application (such as a CAD program, database exporter, or web browser) masked the true name of the font under the F1–F6 temporary naming convention.