Oki ES4192dn User Manual - page 822
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Burns may result.
Be sure not to throw the used toner cartridges into a fire.
The toner inside may scatter and ignite, resulting in burns.
6.
Unpack a new toner cartridge.
7.
Shake the cartridge several times vertically and horizontally.
8.
Level the toner cartridge, and then remove the tape gently.
9.
Insert the left end of the toner cartridge while aligning the left end with the pin on the top of the image
drum, and then insert the right end.
10.
Rotate the blue lever of the toner cartridge in the direction of the (Lock) arrow until it stops.
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