Lexmark C910 User Reference Manual page 63

7
Slide the tray in until both tray stops pass the slide stops.
Note: You only need to lift the tray high enough for the tray stop to move over the slide
stop. If the slides move when you are installing the tray, you can hold one slide while
you insert the drawer, and then hold the other slide.
Slide stop
Tray stop
8
Lower the front of the tray and slide it in.
9
Move the tray in and out to make sure it functions properly.
Note: If the tray does not function properly, remove the tray and repeat steps
For instructions on loading the paper tray, See Loading a paper tray.
61
4 through 8.