Oki PM4410 - Manual (Page 25)

E-23 Pacemark 4410 Setup Guide
4. Center the supports between the tractors.
Left Tractor
1. Open the left tractor pin cover, place the paper holes on the pins, then
close the cover.
2. Move the left tractor to align the edge of the paper with the
appropriate reference mark (1: this sets the print indent from the
paper edge at 0 to 1.5 inches in 0.1-inch increments), then push the
lock lever back
1