Oki COREFIDO B822dn User Manual page 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 toner
cartridge.
18
Check the [Installation position] by the right label on the toner cartridge, and press in the toner
cartridge. Check that the triangular marks on the left and right sides of the image drum are all the
way in.
19
Close the front cover firmly with your both hands.
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Troubleshooting