When a PDF is created, the software may assign generic names like F1 , F2 , etc., to identify different font subsets used in the file.
Recommended sources:
Place this in your Ghostscript font directory. When a PDF is created, the software may
Stop hunting for fake "F1 CID font" downloads. Install the real open-source industry-standard fonts today, and your missing CID font problems will vanish. When a PDF is created
If you arrived here because Adobe Acrobat says "Cannot find or create font 'F1'..." follow this recovery plan: there are available.
Paying for commercial CID fonts (like Adobe’s Kazuraki or Morisawa fonts) can cost hundreds of dollars. Fortunately, there are available.