Author: [Generated AI] Date: October 26, 2023 Subject: Typography / Engineering Standards
Common Mappings: While the name "F1" is arbitrary, it often maps to common system fonts like Arial Bold, Times New Roman Regular, or Tahoma depending on the source file. Cid Font F1 Normal
Why it appears: When you see "CIDFont+F1 Normal" in a PDF's properties, it typically means the original font was converted into a subset or a virtual format to reduce file size or improve cross-platform rendering. Common Issues and Errors Technical Specification and Application of Cid Font F1
Common Identities: In many cases where this error occurs with standard Western text, CIDFont+F1 is actually a missing version of Arial Bold or Times New Roman, and CIDFont+F2 is the regular version. How to Fix the Issue How to Fix the Issue Review: Understanding "Cid
Verdict: A Technical Placeholder, Not a Design Choice.
Adobe solved this with CID-keyed fonts. Instead of naming every glyph, a CID-font uses a two-part system: