HOW-TO: HP PCL/PJL For Fun and Profit

Tuesday, November 25th, 2008

PCL stands for Printer Command Language. It is built in to most Hewlet-Packard LaserJet Printers. It includes commands for changing various default printer settings, but the one we’re concerned with is the Ready message. The ready message is the text that is displayed on the LCD screen on the printer when the printer is ready […]