12.Insert the left end of the cartridge into the top of the image drum unit first, pushing it against the spring on the drum unit, then lower the right end of the cartridge down onto the image drum unit.

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13.Pressing gently down on the cartridge to ensure that it is firmly seated, push the colored lever (1) towards the rear of the MFP. This will lock the cartridge into place and release toner into the image drum unit.

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14.Close the top cover and press down firmly so that the cover latches closed.

15.Gently lower the scanner.

Maintenance > 120