The T-Jet3â„¢ Replacement Print Head. Fast T-Jetâ„¢ printers have revolutionized the garment printing industry and the T-Jet 3â„¢ raises the bar even higher. With 30% faster print speeds and a longer print bed that makes loading and unloading of garments easier, the T-Jet 3â„¢ will decrease production time while increasing cost effectiveness.