The HJ-400 Small Carton Digital Printing Machine is a compact and flexible solution for customized packaging printing. With HP industrial nozzle technology, 1200 dpi high-resolution output, eco-friendly water-based ink, and support for various paper-based materials, it can print logos, patterns, text, barcodes and full-color designs directly onto cartons, kraft paper bags, pizza boxes, gift boxes and corrugated packaging. It is especially suitable for small-batch orders, sample production, personalized packaging and fast design changes, helping businesses improve production efficiency and create professional branded packaging with lower setup cost.