HP printers have long been a well-known printer manufacturer, and they have consistently outperformed their competition thanks to their unique line of goods, which they have been producing for over a decade.
The main difference between these two is that the HP 516 has three types of connectivity: USB, Wi-Fi direct, and Bluetooth, whilst the HP 419 only offers USB and Wi-Fi direct. The HP 419 does not have Bluetooth.
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HP 516 Vs HP 419 printer comparison