CIDFont+F1 (or F1Normal) is not an actual font you can download; rather, it is a generic placeholder name used by PDF-generating software when a font is not properly embedded in a document Google Groups
Your system doesn't have the "base" font (like Arial or Myriad Pro) that the CIDFont was originally based on. How to Fix the CIDFont F1 Issue cidfont f1normal font free download work
Most fonts labeled "free download" on unofficial sites are . Always download from: CIDFont+F1 (or F1Normal) is not an actual font
| Problem | Likely cause | Free fix | |---------|--------------|-----------| | “CIDFont F1Normal not found” | Missing Asian font | Install (see above) | | Text shows as boxes | Wrong encoding or missing fallback | Use FontForge (free) to change font references in PDF | | Only want a small PDF to work | Embedded subset font broken | Use Google’s pdf-font-remover or Ghostscript to re-generate PDF with new fonts | | “Not a valid CIDFont” | You downloaded a TTF (not OTF/CID) | Get OTF version from official Noto release | cidfont f1normal font free download work