Oki 3391 - Manual (Page 8)

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5. Install the new ribbon cartridge.
6. Turn the knob (➊) in the direction of the arrow to take up
any ribbon slack.
Clearing Paper Jams
Rear-Feed Jams
1. Turn the printer OFF and use the platen knob to back the
paper all the way out.
2. Open the access cover, and remove the pull-up roller
assembly.
A
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