At FESPA 2025, Digital Sign Technologies introduced a groundbreaking method for assessing nozzle performance on inkjet printheads during the cleaning process – directly on the Print Head Doctor (PHD) machine. This new technique, known as drop watching , offers a faster and more accurate alternative to traditional test prints and the widely used “curtain” method. A Smarter Way to Test Nozzles Traditionally, checking nozzle function involved printing a pattern or observing a f