hoffset و offset کارشون چیز دیگهایه.
به نظر من همون تغییر حاشیهها بهترین روش هست. ممکنه روشهای دیگهای و بهتری باشه ولی من خبر ندارم.
LaTeX assumes that the origin is 1in down from the top of the paper and 1in in from the lefthand side of the paper. \hoffset and \voffset, which should be used for resetting the origin, will be ignored in the following.
decreases the leftmargin .1in (i.e., moves the text .1in to the left on the page, no change in textwidth). Actually one should use \hoffset and \voffset to do this to ensure that (0,0) is 1 inch from the leftside and top of the paper. If one was intent upon using proper LaTeX, the command should be
منبع:
http://help-csli.stanford.edu/tex/latex-margins.shtml