Operation Panel(1) ON button / Power lampTurns the power on or off. Before turning on the power, make sure that the Document Cover is closed.NotePower and Alarm lampsYou can check the status of the machine with the Power lamp and Alarm lamp.- Power lamp Off: The power is off.- Power lamp lit green: The machine is ready to print.- Power lamp flashing green: The machine is initializing or shutting down.- Alarm lamp lit or flashing orange: An error has occurred and the machine is not ready toprint. For details, refer to the " Troubleshooting " in the on-screen manual: AdvancedGuide.- Power lamp flashes green once and Alarm lamp flashes orange once alternately: Anerror that requires contacting your Canon service representative may have occurred.For details, refer to the " Troubleshooting " in the on-screen manual: Advanced Guide.ImportantDisconnecting the power plugWhen disconnecting the power plug after turning off the power, be sure to confirm thatthe Power lamp is not lit. If the power plug is disconnected from the wall outlet while thePower lamp is lit or flashing, the machine may become unable to print since the Print Headis not protected.(2) LED (Light Emitting Diode)Displays the number of copies, Maintenance menu code, or operational status such as an error code.(3) [+] buttonSpecifies the number of copies.Page 7 of 628 pagesMain Components