4.To insert the imaging unit, carefully align the arrows on the top of the imaging unit with the guides in the printer. Slide the imaging unit all the way into the printer and latch firmly.
C A U T I O N
To prevent damage to the imaging unit, avoid touching the blue drum to other surfaces as you insert the imaging unit.
5.Set the two blue switches to the "lock" position.
14Phaser 780 Color Laser Printer