94Problem SolvingTroubleshootingCheck ActionUnit Does Not OperateCheck if the Power Switches (Main PowerSwitch on the back and Power Switch on theLeft Side of the machine) are turned ON and ifthe power cord is plugged into the AC outlet.Does the display light?Press Energy Saver key on the control panel.(See page 68)Does the Energy Saver key flash (or light)and displays are turned OFF?Perform actions in accordance with eachmessage.Does any of the U## codes and messagesappear on the display?(U1, U4, U6, U7, U11....etc.)Add Staples (See page 20)Remove all jammed staples. (See page 21)Does the Add Staples indicator and messageappear on the display?Add paper. (See page 18)Does the Add Paper indicator and messageappear on the display? ( )Remove the misfed paper. (See pages 22-25)Does the paper misfeed indicator andmessage appear on the display? ( or J##)Turn the Power Switch on the Left Side andthe Main Power Switch on the Back of themachine to the OFF and ON. If the error codedoes not clear, call your Service provider.Does E#-## indicator and message appearon the display?Turn the Power Switch on the Left Side andthe Main Power Switch on the Back of themachine to the OFF and ON.The machine would not accept the next jobduring operation, instructed job would not beaccepted for a long time period or job wouldnot be completed.Light CopiesTouch the “DARKER” button.Does the exposure indicator say “LIGHTER”?Replace the Toner Bottle.(See pages 18, and 19)Does the Add Toner indicator and messageappear on the display? ( )