How do I download and install the printer software?

You can download software from two methods: Method 1 - Go to 123.hp.com/laserjet (Windows) or 123.hp.com (OS X) and click Download, then follow onscreen instructions. Method 2 - Go to www.hp.com/support/ljM255, select Software and Drivers, download the software for your model and OS, launch the file, and follow onscreen instructions. When prompted, select the appropriate connection type.