what is hp printer ? from JISOO KIM's blog

HP Easy Start will help you connect the printer to Wi-Fi, install print drivers, create an account, and register the printer. HP Printer Software. Unfortunately, if you typed in anything other than the plain URL heading "123.hp.com/setup ", you landed "somewhere else". For example, if the website included "setup" in the URL, it is a Fake Site. Welcome to the HP® Official website to setup your printer. Get started with your new printer by downloading the software.

 How to use HP Auto Wireless Connect 

HP Auto Wireless Connect – hp printer setup Connect is a technology that allows you to connect your printer to your wireless network automatically without having to connect any cables or enter your wireless network settings such as your network name or password. Many newer HP printers will have this capability during the standard software installation process.

Not all computers or network configurations are compatible with HP Auto Wireless Connect. In these cases, an alternate wireless setup method will be offered. To be compatible with HP Auto Wireless Connect, the following conditions must be met:

Your computer uses Windows Vista (and newer) and Mac OS X 10.5 (and newer).

Your computer uses a wireless connection to your network and the operating system is in control of the wireless adapter so that the HP Software can retrieve the computer's current network settings.

Your computer is connected to your network over 2.4GHz. NOTE: HP Printers are not compatible with 5.0 GHz networks. You may still be able to connect the printer to your network using other,  methods as long as your router also supports 2.4GHz (as most do). Please go to the section on Routers to learn more. Additional setup methods are shown on this page

Your computer does not use a static IP address

Your printer is in HP Auto Wireless Connect mode. The printer will be in this mode for two hours after it is first powered on during installation before  www.123.hp.com/setup it is connected to a network. TIP: If your has been powered on for more than two hour and the software has not yet tried to connect the printer to your wireless network, you can reset this mode by using the “Restore Network Settings” or “Restore Network Defaults” option from the printer control panel.