How to print a test page on Brother HL-2130

Turn off the printer.
Make sure that the front cover is closed and the power cord is plugged in.
-Hold down the Go button as you turn the power switch on.
-Keep the Go button pressed down until the Toner, Drum and Error LEDs light up.
-Release the Go button.
-Make sure that the Toner, Drum and Error LEDs are off.
-Press the Go button again. The printer will print a Test page.