523Basic Printing Operations3.1 Printer ComponentsThe name and function of each components in this printer are as follows:Front viewNo. Name Explanation1 Output tray The printed-out paper is ejected, with its face down.2 Control panel Equipped with the buttons, lamps, and LCD necessary foroperation.3 Right cover Opened when attaching an optional product.4 Power switch Turns the power on and off. Pressing this switch in the "I" side turnsthe power on; pressing this switch in the "O" side turns the poweroff.5 Vent Used to release heat to prevent the inside of the printer from beingoverheated.6 Cassette feeder(A3/250 sheets)Insert the paper cassette.7 Size setting dial (Cassette) Specify the paper size of the cassette.8 Cassette (A3/250 sheets) Load paper.9 Bypass tray Opened when supplying paper manually. This tray is available toprint out on labels, postcards, envelopes, and so on. When the sizeof the paper feeding direction of the loaded paper is less than theshort side of the A4 size, close this tray.10 Side guides Fixes paper loaded in the Bypass Tray.11 Output paper support Drawn when printing out on paper larger than the A4 size.
