If you are trying to view a file and seeing this font error, try these steps:
It is not a "new" font in the sense of a stylistic typeface like Helvetica or Times New Roman. Instead, it is a technical placeholder. When a PDF is created, the software may fail to embed the actual font name and instead assigns a generic alias like cidfontf1. This often happens during: Conversion from CAD software (like AutoCAD) to PDF. Printing documents to a virtual PDF driver. Handling legacy files with non-Unicode encoding. Why You Are Seeing "CIDFontF1" Errors
Disable "Use Local Fonts": In your PDF reader settings, uncheck the option to "Use local fonts." This forces the reader to rely on the embedded data rather than looking for a system font that doesn't exist. cidfontf1 font new
The term "CID" stands for Character Identifier. It is a font format designed to handle languages with massive character sets, such as Chinese, Japanese, and Korean (CJK). When you see "cidfontf1" in a PDF's properties or an error log, the software is indicating a specific font instance within a CID-keyed font structure.
Print as Image: If you just need a hard copy, use the "Print as Image" option in the print dialog. This bypasses the font engine entirely. Creating PDFs: Avoiding the Generic Label If you are trying to view a file
Most users encounter this keyword because their PDF reader is throwing an error or displaying "garbage" text (strange symbols or boxes). This typically occurs for three reasons:
Install the Adobe Acrobat Reader DC Font Pack: Adobe offers specific "Extended Font Packs" for CJK languages. This is the most common fix for CID-related errors. This often happens during: Conversion from CAD software
Incompatible Font Maps: The mapping between the character IDs and the actual glyphs is broken.