Set the lever of the toner cartridge of the color indicated in the message displayed on the operator panel to the correct position by the following procedure.
Insert your finger into the recess on the right side of the printer and pull the front cover open lever (1) to open the front cover (2) forward.
Press the output tray open button (3) and open the output tray (4).
Confirm the position of the toner cartridge of the color indicated in the message.
While pressing the toner cartridge with your left hand, rotate the blue lever on the right side of the toner cartridge inwards with your right hand. Rotate until it stops.
Note: Closing the output tray without turning the blue lever may cause a malfunction.
Close the output tray (4) by pushing the both sides of the cover firmly.
Close the front cover (2).