No. Many printers have internal fallback fonts. Only fix it if text is missing or replaced with strange characters.
CID (Character ID) is an encoding format developed by Adobe Systems to handle complex character sets, particularly for East Asian languages like Chinese, Japanese, and Korean. When a PDF is created, the software may convert a standard font into a "CID-keyed" format. If that font isn't embedded in the file, your computer will label it with a generic tag like or CIDFont+F2 . Why You Can't "Download" It cidfont f1normal font free download link