Review: "CID Font F1 Family"
Text Extraction
: Tools like PDFMiner or iText may struggle to read this text, returning garbage characters or "(cid:number)" tags if the character map (CMap) is missing or corrupted.
Here is your troubleshooting flowchart:
For further reading, consult Adobe’s "CID-Keyed Font Technology Overview" (Technical Note #5014) and the PostScript Language Reference Manual, 3rd Edition.
CIDFont+F1
is not a specific, branded font family designed for aesthetics; rather, it is a generic identifier generated by software (like Adobe Acrobat or web-based PDF converters) when a font used in a PDF is either not properly embedded or cannot be identified by the viewing system. Review of CIDFont+F1 "Family"
"CID font F1 family"
So generally means: In the current document, the CID-keyed font labeled F1 belongs to a particular font family (e.g., Heisei Mincho, Kozuka Gothic, SimSun, etc.).
CIDFont+F2
typically refers to the regular weight of the same family. Why Do Errors Occur?





