The text appears as square boxes, dots, or garbled symbols because the local system doesn't know how to render the characters.
: While the name is generic, it frequently maps to standard system fonts. Users and experts on the Adobe Community have identified it as often being: Arial Bold Arial Regular Times New Roman Myriad Pro (as a visually identical substitute) How to Fix "Missing CIDFont+F1" Errors cidfontf1 font new
You might wonder why this legacy technology is relevant today. The keyword often associated with this error in technical forums is "new" or "new instance." The text appears as square boxes, dots, or
8 0 obj << /Type /Font /Subtype /CIDFontType2 /BaseFont /NotoSansCJKsc-Regular /CIDSystemInfo << /Registry (Adobe) /Ordering (GB1) /Supplement 5 >> /FontDescriptor 9 0 R /DW 1000 /W [ 1 [ 500 ] 2 [ 600 ] ] >> endobj The keyword often associated with this error in
import fitz # PyMuPDF
While sounds like a cryptic technical code, it is essentially a ghost of the transition from legacy Type 1 fonts to modern OpenType technology. It represents the system's attempt to "make do" with a generic substitution when the real data is missing.