Back Side0U6X-009Upper rear coverOpen the upper rear cover when clearing paper jams. Clearing Jams(P. 376)Rating labelThe label shows the serial number, which is needed when making inquiries about the machine. When aProblem Cannot Be Solved(P. 415)Power socketConnect the power cord.Lower rear coverOpen the lower rear cover to set the paper size switch lever or remove jammed paper. Interior(P. 21)Clearing Jams(P. 376)Ventilation slotsAir from inside the machine is vented out to cool down the inside of the machine. Note that placing objects infront of the ventilation slots prevents ventilation. Installation(P. 3)Sub-output trayWhen using a paper type that easily curls such as labels, or envelopes, you can reduce curl by opening thistray. Paper Curls(P. 412)USB port (for USB device connection)Connect a USB keyboard.Basic Operations19