CIDFont+F1 (or "cidfontf1normal") is not actually a specific font brand you can download; rather, it is a generic identifier

Noto Sans CJK

| Font Name | Character Set | Best For | Download Source | |-----------|--------------|----------|----------------| | (Google) | Simplified Chinese, Traditional Chinese, Japanese, Korean | Replacing Adobe Ming/Song Std – clean, modern sans-serif | Google Noto Fonts | | Noto Serif CJK | Same as above | Replacing Adobe Serif styles – elegant for print | Google Noto Fonts | | Source Han Sans (Adobe/Google) | Full CJK | Professional PDF generation (identical to Adobe's own fonts) | GitHub – Adobe Fonts | | Source Han Serif | Full CJK | Formal documents, books | GitHub – Adobe Fonts | | WenQuanYi Micro Hei | Simplified Chinese | Lightweight Linux/Windows use | WenQuanYi Project | | IPAmj Mincho | Japanese | High-quality Japanese PDFs | IPA Font License |

Since you cannot download "CIDFontF1" directly, you should try these solutions to fix the missing text or formatting: CID+ Fonts - Adobe Community

Method 1: Use Adobe’s Free Font Fallback Package (Recommended)

Arial

Most CIDFont+F1 errors occur because a basic system font like or Helvetica was renamed during export. If your system is missing these, you can find high-quality, free alternatives from reputable sources: