stepper motor adjusting (7 replies)

hi all
my printer is set & running BUT!
i have stop in the prints the controler is hot!!!
i ned to adjust the current but dont now how cent find in the web
i use
ps: 12V
ramps 1.4
4 stepper pulolo on the bord
1.7 A stepper 400st
merlin : fm
please help me im lost!!!
thenks
sivan