How to Connect HP Photosmart c4780 to WiFi?
For HP Photosmart c4780 setup, you must power on the printer and wait until it turns idle. Next, connect the power cord of the router to a wall outlet. Now, Switch on the power and wait until the activity light becomes stable. Go to the control panel of the printer and on the printer's panel. Switch on the Network menu. Finally, choose down and choose the wireless setup wizard.