Deskjet is an entry-level HP printer. Therefore, people do not expect a countless number of functions in it. While customers expect it to be affordable with basic functionality available with less complexity to configure and operate. The HP Deskjet 2542 setup is just that. So this is basically aimed at users with occasional printing needs. However, it does have some useful features that are available in high-end models.
Although most entry-level printer models only have USB connectivity, the HP Deskjet 2542 supports wireless printing and mobile printing. Since it also supports wireless direct printing, you don't have to rely on your network for connectivity. Like many new HP models, it supports Apple Airprint and Google Cloud Print. So you can print from your smartphones or tablets using 123.hp.com/dj2542.