I am using TCPDF latest version (6.7.5) to export PDF documents. In the document there are some Japanese kanji characters that cannot be displayed.
I have tried using fonts like cid0jp, cid0cs, cid0cs, arialuni, … but it still doesn’t work. I also download Japanese fonts and add them to the library but the result is still the same. Below is the demo.php file and the result is an empty pdf file: