28 • Chapter 22-3 Testing the Printer2-3-1 Switching on the printerPress the power switch to the [I] position to turn on the printer.When the Online LED is on, the printer is ready to print.If an error occurs, check that:• the top cover is properly closed;• the Laser Printer cartridge is properly installed; 2-1-1 Installing the Laser Printer cartridge• there is no paper inside the printer.2-3-2 Test printingAfter installation, you may want to run a simple test on your printer byprinting out documents. Xerox DocuPrint P12 provides three ways foryou to test the printer. Before you print, remember to load paper intothe paper cassette. 3-2-1 Using the paper cassettes Prints settings page via the control panelWhen the Online LED is on, hold down the control panel button for10 seconds, the printer will print a settings page showing theprinter’s parameters. If the network interface card (one of thehardware options) is installed, settings page for the Network willalso be printed.