Oki 490 - Manual (Page 45)

Maintenance 45
6 Open the lock levers (1) and move the right tractor (as
viewed from the back of the printer) to the reference mark
(2) matching the width of the paper you are loading. Then
close the lock lever on the right tractor:
Note: The movement of the right tractor is limited to ensure
that the paper covers the paper sensor.
7 Open the tractor covers.
5 From the back of the printer, locate the tractors (1).
ML490
ML491