Use the "Print Test Page" option in the Windows Printer Properties or press the physical Feed button on the device to confirm paper alignment. Technical Specifications Printing Speed Up to 250 mm/s (9.8 in/s) Resolution 180 x 180 dpi Interfaces USB, Serial (RS232), and optional Ethernet Paper Width 80 mm (standard thermal roll) Reliability 60 million lines (MCBF); 1 million cuts (Auto-cutter) Troubleshooting Common Issues