Maintenance- 312 -Replacing toner cartridges1 Prepare a new toner cartridge.2 Press the front cover open button on the side of this machine, and then open the front covertoward you.3 Rotate the blue lever on the left side of the toner cartridge in the direction of the unlock mark untilit stops, and then gently pull the toner cartridge out.Burns may be caused.Never throw a used toner cartridge in fire. The toner inside may scatter or even explode, thus resulting in burns.4 Remove the new toner cartridge from its packaging bag, and shake it horizontally to even out thetoner inside.5 Remove the protective tape while keeping the toner cartridge level.

Oki COREFIDO B822dn User Manual