Feature Overview

The Labels (F1–F7):

When a PDF is exported with "subsetting" enabled, the software might assign generic names like F1, F2, or F3 to different weights or styles (e.g., F1 for Bold, F2 for Regular).

Since you cannot "download" these specific fonts, you should use these workarounds to view or edit your document:

Since you cannot download "F1" or "F2" directly, you must resolve the error by identifying the original font or re-embedding the data. 1. Identify the Real Font

  • Adobe Source Han Series v3.000 (Jan 2025) – Updated CID-keyed fonts with F1–F7 style presets.
  • Google Noto CJK v2.004 – New variable CID fonts, free.
  • F7 Neo CID – A community-driven experimental font for PDF embedding (available on GitHub).