Troubleshooting- 388 -16 Close the paper ejection guide and then close the rear cover.17 Install the toner cartridge and the image drum from diagonally above by holding the tonercartridge.18 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.19 Close the front cover firmly with your both hands.

Oki COREFIDO B822dn User Manual