[. . . ] Put the assembly down on a piece of paper to prevent toner from marking your furniture. [. . . ] Put the assembly down on a piece of paper to prevent toner from marking your furniture. Slide the colored collars in a single swift motion to the left to secure the priming cartridges in place. Holding the new image drum by the blue handles, lower it into the machine, aligning the pegs at each end with the slots in the sides of the printer cavity. When the priming process is complete, the light on the LCD screen goes out and the motor stops turning. Place the old drum in the shipping packaging and discard in accordance with local regulations. [. . . ] When the priming process is complete, the light on the LCD screen goes out and the motor stops turning. [. . . ]