Birch released 4 inch powerful direct thermal barcode printer (DP-6421B/ DP-6422B) to support your applications with affordable budget. 

This printer built in 32 bit CPU with fast printing speed ( 6 inches,152mm/sec) 8MB SDRAN and 8GM memory (can be up to 4GB)

• 203 dpi, Max print width 108mm (4.25”), Max print length 1778mm ( 70”)
• Media type: continuous, Gap, Black mark, Fan-fold and punched hole
• Barcode symboligy: Most of 1D barcode and 2D