Lexmark 4I3 - Manual (Page 130)

4. When the form is in the correct position, press Set Top of Form.
The alarm beeps and the printer displays
Note: The limits for the top of form position adjustment from the
default position is
+ 101.6 and − 8.47 mm ( + 4 and − 0.34 in.).
5. Press Load/Eject to eject the form.
6. Repeat Steps 1 and 2 on page 1-107 and decide if the form is
loading to the desired position. If necessary, repeat this
procedure again until the top of form position is correctly aligned.
TOP OF FORM SET
1-108 User’s Guide