Problem in smartform printing on pre printed stationary

hi

friends got stuck in smartform on pre printed stationary ,

doing a smartform which has

Form Attributes.

pageformat 230 mm to 305 mm

Characters per Inch 10.00

Lines per Inch 6.00

( Printer DOT MATRIX)

i want to print the data at position of 26 cm

i had a template defined or windows on 26 cm on which the data is to

be printed ..

but it gets printed at postion of 24cm the max position i can give is 29 cm

i gave that too but the result is little bit difference it got printed on

on psoitiobn of 26 cm

pls help me in this

regards