Canon imageCLASS D420 imageCLASS D480 Starter Guide - Page 7

Do not pull the seal out at an angle. - If toner is adhered on the removed seal, be careful that your hands or clothes do not get dirty from touching the toner. - If your hands or clothes get dirty from touching the toner, wash them immediately in cold water. Do not use hot water. If you do, the toner may be set permanently. 2 Set Up the Machine 6 Hold the grip (A) on the right front side of the toner cover. 7 Open the toner cover. 4 Hold the front side of the operation panel with your hands. 8 Hold the toner cartridge by its handle (A). 5 Lift the scanning platform (A) until it is locked. (You will hear an audible "click.") 9 Insert the toner cartridge so that the protrusion on the right side of the toner cartridge (A) fits into the guide (B) located on the right side of the machine and slide it down parallel to the guide.