What are simple tips to set up HP wireless printer using 123.hp/setup?

I need a wireless HP printer for wireless printing services. Wireless printing technology allows the users to print the documents wirelessly easily. It makes users comfortable and quick to get the print out of any document easily. In the starting stage, I have opened 123.hp/setupin my favourite chrome browser and have entered the model number of my wireless printer in the displaying box of 123.hp.com. After this process, I am performing displayed instructions to compete the set up process. I am facing problems in this process, so I want to take the specialized help from online experts. So anyone can help me to set up HP wireless printer through 123.hp.com.