Cheap And Discounts 79400-011 Main Logic Board Original Motherboard for Zebra ZM400 ZM600 Thermal Label Printer Print Board 203dpi 300dpi Mainboard Wholesale. Buy Directly From Merchant THE WYD Barcode Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.