my zebra zt410 cannot print thai characters

now, i already finished installing thai font, ANGSA.TTF and i use below zpl command to command my printer.

^XA

^FO500,200

^AO,32,25

^FDHELLO^FS

^FO600,200

^AO,32,25

^FD500^FS

^FO50,250

^AO,24,18

^FDbangkok^FS

^CW1,ANGSA.TTF

^FO100,350

^A1,24,18

^FDภาษาไทย^FS

^FO100,400

^A1,24,18

^FD26 สิงหาคม ๒๕๖๑^FS

^FO500,500^BY3

^B2N,150,Y,N,N

^FD123a/t^FS

^XZ

then the printer print only HELLO, 500 and bangkok. For more information, i send this command by using rs232. i hope you can solve this problem. Thank you for your help.