Hewlett-Packard printers are very popular. Some models have an LCD display to show important messages to the printer users.
This class can communicate with an HP printer to update the messages presented in the LCD display.
With some creativity, it can be used in applications that display other useful message to the printer users, besides those related to the actual printing process.
This is a simple class that can be used to show a message in the LCD display of an HP printer.
It establishes a TCP socket connection to an HP printer with JetDirect support, and sends a control message that instructs the printer to show a given text in the LCD display.