Cidfont F1 Normal Fixed

A generic label (Font #1) assigned by the PDF creator when the original font name cannot be fully embedded or recognized.

If you run a website or software system that generates PDFs and your users are complaining about this issue, the root cause lies in your PDF rendering engine (such as TCPDF, iText, wkhtmltopdf, or Dompdf).

In Adobe Acrobat, go to > Preferences (Windows) or Acrobat > Preferences (Mac). Click on the Page Display category on the left. Locate the Rendering section. cidfont f1 normal fixed

Instead, a CIDFont uses a two-step process:

In Ghostscript’s source file gs_cidfn.ps , you will find: A generic label (Font #1) assigned by the

This description usually implies a standard, non-italicized, non-bold, fixed-pitch (monospaced) or specific-type font that the PDF generator didn't properly name, leaving the system to assign a temporary placeholder.

I’ll structure it as a reference entry suitable for a developer guide, PDF internals documentation, or font mapping resource. Click on the Page Display category on the left

During rendering, if Ghostscript is missing a required CJK font, it prints:

To prevent this issue, ensure that when you create PDFs, the fonts are properly embedded.

Are you trying to , or are you developing software that creates PDFs?

Understanding Cidfont F1 Normal Fixed: What It Is and How to Fix It