cd c:\ptex texinst755.exe c:\temp\ptex
\documentclass{jarticle} \begin{document} Hello, \TeX \end{document}
platex test.tex
dvipdfmx.exe test.dvi
\AtBeginDvi{\special{papersize=257mm,364mm}}
** WARNING ** No character mapping available. CMap name: H input str: <2d>
dvipdfmx -p b4 sample.dvi > sample.pdf 2> err.log