Oki B412dn User Manual - page 401
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Maintenance Manual
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637
5.
Take the new toner cartridge out of the package.
6.
Shake the toner cartridge a few times vertically and horizontally.
7.
Hold the toner cartridge straight and gently remove the tape.
8.
Insert the toner cartridge into the image drum by pushing the left end against the pin on the upper
part of the image drum, and then put down the right end.
9.
Rotate the blue lever of the toner cartridge in the direction of the (Lock) arrow until it stops.
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