Oki 490 - Manual (Page 47)

Maintenance 47
11 Lower the sheet guide and slide it toward the front of the
printer until the marks align.
12 Place the wire guide (“1” in the illustration for the step
above) in the sheet guide on the pull-up roller assembly.
13 Press FF/LOAD .
Note: The factory default setting for the Top of Form (where
the printing should begin) is 1" down from the top of the
page. To change the setting, see “Top of Form (TOF)”
in Chapter 3.