Oki 390/391 Handbook page 22

Lock lever
Paper holes on pins
ML390/391 Turbo Printer Handbook
Tractors
Tractor cover
4. Locate tractors.
5. Pull up on lock levers to release trac-
tors and swing open tractor covers. Po-
sition right-hand tractor for width of
paper you're loading.
The movement of the left tractor is
limited to ensure that the paper
will always contact the paper sen-
sor when loaded.
6. Pull paper, and place first two holes on
each side over tractor pins.
Please note that an equal number of pa-
per holes must be engaged on either
tractor in order to ensure proper paper
feed.
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