How to print a demo page on an HP Deskjet 832C

On the Deskjet 832C you can print out a demo page with a picture of a kite and a few lines of text.  The demo page can be used to see how the colors line up and also to check color density.  To print the demo page, hold down the lower button on the printer (not the power button) for about 3 or 4 seconds, then release it.  The light will blink and the demo page will print out.