Lexmark X74 User's Guide - Page 6

USB cable connector Power supply Silver, metal contacts are on the top of the power supply. USB cable Using the Operator Panel Your All-In-One is equipped with an operator panel that lets you scan and copy with the press of a button. Power light Indicates whether or not the All-In-One is powered on. Paper Feed button Feeds paper through the All-In-One. Press when the Status light is flashing. Power button Turns your All-In-One on and off. Status light When flashing, indicates the All-In-One is out of paper or experiencing another type of problem. Scan button Automatically starts the scanning process and opens the All-In-One Center (see page 6). Color Copy button Press to make a color copy (your computer must be on for this to work). Black Copy button Press to make a black and white copy (your computer must be on for this to work). 2