Here are five effective methods to resolve these errors, ranging from simple to advanced:
: F1, F2, etc., typically correspond to different font weights or styles (e.g., F1 might be Arial Bold Arial Regular CID Encoding cid font f1 f2 f3 f4
To understand the depth of F1 through F4, one must understand what they represent in the PDF architecture. Here are five effective methods to resolve these
Traditional Type 1 and TrueType fonts use a simple 1-byte encoding system, limiting them to 256 characters per font. While this works perfectly for Western alphabets (Latin, Greek, Cyrillic), it falls catastrophically short for East Asian writing systems. Japanese, for instance, requires thousands of kanji characters alongside two syllabaries (hiragana and katakana). Chinese requires tens of thousands of hanzi characters. Korean requires thousands of hangul syllables. cid font f1 f2 f3 f4