Print methods: direct-thermal or thermal-transfer Construction: metal frame and metal enclosures Bi-fold media door with large clear window Side-loading supplies path for simplified media and ribbon loading Thin film printhead with E3 Element Energy Equalizer for superior print quality Three-color LEDs for quick printer status 4.3” color resistive touch screen with intuitive menu for quick operation and settings Communications: USB 2.0, RS-232 Serial port, 10/100 Ethernet, Bluetooth, and USB Host Resolution: 300 dpi/12 dots per mm Memory: 256 MB SDRAM memory; 256 MB on-board linear Flash memory Maximum Print Width: 4.09 in./104 mm Maximum Print Speed: 8 ips (300 dpi) Media Sensors: Moveable transmissive and reflective sensors Maximum Print Length: 73in/1854 mm Media Characteristics Minimum Label and Liner Length: Tear mode: 0.7 in/18 mm Cutter mode: 1 in/25 mm Peel mode: 0.5 in/13 mm