Maintenance- 358 -5 Check the [Installation position] by the right label on the toner cartridge, and press in the tonercartridge. Check that the triangular marks on the left and right sides of the image drum are all theway in.6 Close the front cover firmly with your both hands.Cleaning the resist rollerWhen horizontal streaks appear on the printing result, clean the resist roller to improve the printing.1 Press the front cover open button on the side of this machine and open the front cover towardyou.

Oki COREFIDO B822dn User Manual