Specify the distance (mm) from the bottom edge of the printable area to the area where printing ends, within the range 0-100 mm in increments of 1 mm.
Note that there may be some discrepancy in the actual printing.
Printable area
Bottom Margin (bottomspace)
If the "bottomspace" printing option is specified, the actual margin is calculated by adding this value and the value specified for "bottomspace".