I love learning obscure and under-utilized things in the tech world; PJL commands fit that bill. You can use PJL commands to get and set printer preferences. This includes getting the page count, setting the serial number, and changing the LCD display message.
I was recently tasked with evaluating our printer usage to determine if we could save money by removing low-usage printers. Like many companies, the majority of our printers were HPs, and we were on a tight budget, so something like Papercut was out of the question. I also wasn’t about to go around to each printer and print out the usage report, nor did I want to enter the Web interface of every printer to manually get this information. Continue reading “Run PJL Commands From A Shell Script”