weird characters seen for traditional chinese , japanese , Korean invoice print preview issue resolution

weird characters seen for traditional chinese , japanese , Korean invoice print preview issue resolution :

We have to make sure e.g. sales order then go to VA02->Extras->output->header->edit and check output type defined and printing device

LOCL,PORTL won’t work for these languages but LOCL_CHN, LOCJ and LOCL_KOR will surely give correct outputs provided the printer settings are intact and fonts are installed at your end.