In the Portable Document Format (PDF) ecosystem, a "CIDFont" (Character Identifier Font) is a mechanism for mapping character codes to glyph descriptions. The "F1" suffix is usually a generic placeholder assigned by the software that generated the PDF (e.g., Adobe Acrobat, Word-to-PDF converters) to identify the first font embedded in the document.
% Usage /f1 /CourierStd-CID findcidfont % load real fixed-pitch CIDFont f1 12 scalefont setfont (CID-keyed fixed text) show
Next time you see cidfont f1 normal fixed , do not panic. But do check your font embeddings. And maybe thank Adobe’s Normalizer for making CJK printing possible on 4 MB printers of the 1990s – even if its ghost still haunts your logs.
: These indicate the style assigned to that specific placeholder— typically refers to the regular weight, while often suggests a monospaced (fixed-width) variant. Why You See This Name