3. Important! If you are using letter paper (8.5 in. X 11 in.), go to Step 4 on page 9.
Otherwise, adjust the paper guides as follows:
a. Squeeze the side guide and slide it to the far right.
b. To lengthen the tray, slide guide A out. Then slide guide B to align it with
guide A.
8 Network Printer 12 Quick Setup