TZT200 Series provides users with effortless setup, intuitive operation and easy service and maintenance. "Transmissive and reflective sensors/ZT203 dpi: 157”/3988 mm ZT300 dpi: 73”/1854 mm.Print methods: direct-thermal or thermal-transfer (optional) • Construction: metal frame with choice of metal (ZT230) or plastic (ZT220) media cover"