U2 Series is the first legacy ultra-compact all-in-one inkjet printer specifically for simple and low volume production line. It's simplicity design allows user self-installation with no requirement of technical experiences. Packworld thermal inkjet technology provides small business users reliable high resolution coding without regular maintenance and technical supports. A true maintenance-free and service-free coding solution.Tenth of thousands installed worldwide, with proven track record on reliability and stability. It's small, yet it's powerful.