Oki LE810DT User Manual page 18

10.Pull the media roll out until about 24 inches are exposed, then remove the labels
from that section. Feed the end of the liner back into the bottom of the printer,
under the Backing Drive Roller (1).
11.Pull out the green tab (1) on the front of the Take-Up Spindle (2). Notice the two
prongs (3) on the Take-Up Spindle. Pull the liner through the bottom of the
printer and pass the end under the two prongs, then use the green tab to rotate
the spindle until the liner is wrapped around it several times. When you are
done, swing the tab back into place.
LE810DT User's Guide 18