For users needing exact CID F1–F7 naming in software (e.g., PDF generation), a workaround is to:
This is a specific request related to . "CID Fonts" (Character Identifier fonts) like F1, F2, etc., are not standard font names (like Arial or Times). Instead, they are font registry placeholders used internally by Adobe Acrobat, Canon imageRUNNER devices, and older RIP software.
If you share the or what software/project you’re working on, I can give a more specific step‑by‑step fix.