Oki ES8453 MFP User Manual - page 698
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4.
Remove the jammed paper gently in the direction of the arrow if an
edge of jammed paper can be seen, and then go to step 11. If you
cannot find jammed paper, go to step 5.
5.
Hold the handle (A) to close the scanner unit.
6.
Take out the duplex unit (E) by pulling it obliquely upward while
holding the center recess on the back of the machine.
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