Abstract: A portable label printing system for printing on a variety of materials is disclosed. A retractable platen roller cooperates with a self-aligning print head in three planes cooperates for proper label printing registration. A display screen allows the user to view precisely what the actual label and associated indicia will look like when printed on a selected label. In addition, the printing system includes an optical sensor positioned to sense data marks on the backside of a label, located on a label supply roll, allowing the printing system to identify the label specifications and make necessary adjustments to affect print quality. Reverse feed of the label supply roll is possible. The label printing system further comprises a communication port for cooperation with various devices, such as online databases and computers.

Abstract: A portable label printing system for printing on a variety of materials is disclosed. A retractable platen roller cooperates with a self-aligning print head in three planes cooperates for proper label printing registration. A display screen allows the user to view precisely what the actual label and associated indicia will look like when printed on a selected label. In addition, the printing system includes an optical sensor positioned to sense data marks on the backside of a label, located on a label supply roll, allowing the printing system to identify the label specifications and make necessary adjustments to affect print quality. Reverse feed of the label supply roll is possible. The label printing system further comprises a communication port for cooperation with various devices, such as online databases and computers.