1. Install the Adobe Acrobat Reader Font Pack (Most Common Fix)
stands for Character Identifier . CID-keyed fonts are a font format developed by Adobe primarily to handle large character sets, such as Japanese, Chinese, and Korean (CJK) fonts, as well as complex Unicode layouts.
There is no single font family named "F1 through F7" available for download. Because these names are generic internal references, you cannot search for "F1 Font Download" and expect to find a specific typeface.
These usually map to standard CJK (Chinese/Japanese/Korean) fonts or base PostScript fonts like: CID font F1 F2 F3 F4 F5 F6 F7 Fonts Free Download
"CID Font F1 F2 F3 F4 F5 F6 F7" is a symptom, not a standard font file. By downloading the correct Adobe CJK font packs or using Unicode-compatible fonts, you can eliminate these errors entirely.
Ensure or Subset fonts when percent of characters used is less than 100% is checked. Generate the new PDF. Method 4: Print to PDF as an Image
While "F1" can refer to anything, users frequently find that these placeholders correspond to common system fonts: There is no single font family named "F1
: In many instances, F1 is mapped to Arial Bold and F2 to Arial Regular , though this varies by document. How to Fix "Missing CID Font" Errors
: Usually represent other weights (Italic, Black) or additional fonts like Myriad Pro . How to Fix Missing CID Font Errors
⚠️ There is no universal “F1.ttf” file. You must identify the behind the CID number. By downloading the correct Adobe CJK font packs
: Select the text and manually change the font to a common alternative like Arial , Roboto , or Myriad Pro to restore readability.
Since you cannot download these fonts, you must fix the document by mapping them to fonts you actually own. 1. Replace with Substitute Fonts
The labels "F1," "F2," etc., are automatically generated by your PDF viewer as sequential identifiers for different missing fonts. A single PDF might use "CIDFont+F1" for the main body text, "CIDFont+F2" for headings, and so on. In short, "CIDFont+F1" doesn't tell you which font is missing—only that one is missing. The original could have been Arial, Times New Roman, or any other font.
Rounded sans-serif popular in manga and signage. Free download: