Kraft Paper Bag Printing Machine

 

Product Name	Single pass printer
Print Head	A3 Printhead / 841 Industrial Printhead
Print Tech	Thermal foam technology
Ink Type	Thermal foaming CMYK water-based ink
Applicable Industries	Printing factory, Carton factory, Paper bag factory, Cardboard factory, Paper cup factory, Paper box factory, Advertising printing, Kraft paper factory
Use	Corrugated box printer, Cardboard printer, Paper bag printer, Box printer, Pizza box printer, Paper cup fan printer, Paper Printer
Resolution	600*1200DPI
Printing Speed	10-40m/min
PC System	Win10/Win11
Language	English (customize is available)
Image Format	BMP/JPG/PDF/TIFF
Data Transmission	USB3.0
Ink Detection	Ultrasonic liquid level detection
Ink Supply Method	Continuous ink supply
Software	kelier3.0
Conveyor Platform	Vacuum negative pressure
Machine Structure	Aluminum alloy + steel structure
RIP	Software startup (Flexi21) USA
Sense Method	Infrared photoelectric sensor
Use Requirements	Room TEMP 15-35°C, humidity 20%-80%
Print Height	0.5-3mm (from head to print surface)

 

 

 

 

 

 

Kraft paper's natural dark undertones and high absorbency often cause conventional inks to appear dull or washed out. The Kraft Paper Bag Printing Machine solves this with advanced waveform control technology that precisely regulates ink droplet size and placement. This ensures a dense, uniform white ink primer is applied first, creating an ideal reflective base for subsequent CMYK layers. The result is exceptional high‑contrast vibrancy – crisp barcodes, brilliant graphics, and rich brand colors that stand out even on recycled or unbleached kraft. Whether printing simple logos or photographic imagery, this machine delivers professional‑grade output that elevates both vintage and modern visual identities.

 

 

Traditional shuttle‑type printers slow down production by moving the printhead back and forth across the media. The Kraft Paper Bag Printing Machine employs stationary single‑pass printheads, meaning the paper substrate passes through only once to achieve full‑color printing. This design enables a consistent production speed of 40 meters per minute, making it ideal for high‑volume manufacturing of paper bags, corrugated inserts, and industrial sacks. The high‑speed throughput cuts production delays, accelerates order turnaround, and helps packaging factories meet tight deadlines without sacrificing print quality – all while maintaining a compact footprint suitable for both standalone and inline configurations.

 

 

Every Kraft Paper Bag Printing Machine offers three selectable print modes: 1200×1200 DPI, 1200×600 DPI, and 1200×300 DPI. This adjustable resolution architecture empowers operators to balance sharpness against throughput based on the specific job. For premium retail bags requiring photo‑quality imagery and tiny barcodes, the 1200×1200 DPI mode delivers unmatched clarity. For high‑volume industrial sacks where cost‑efficiency is paramount, the 1200×300 DPI mode accelerates production while still maintaining legible graphics. This flexibility ensures that the kraft paper bag printer adapts seamlessly to diverse applications – from gourmet takeaway packaging to construction material sacks.

 

 

Sustainability is a growing priority in packaging, and the Kraft Paper Bag Printing Machine supports both premium water‑based dye inks and water‑based pigment inks. Dye inks offer bright, cost‑effective colors for short‑run promotional bags and food service packaging, while pigment inks provide superior water resistance, UV stability, and archival quality for industrial and outdoor applications. Both ink types are eco‑friendly and low‑emission, complying with food‑contact regulations and compostable packaging initiatives. Manufacturers can freely choose the ink chemistry that best matches their end‑use requirements, all without retooling or additional hardware changes.

 

 

Industrial production floors require intuitive controls that minimize training time and operator error. The Kraft Paper Bag Printing Machine features a simple, tactile push‑button control panel that allows quick setting of print resolution, media thickness, and ink parameters. Operators can switch between different paper substrates – from lightweight 80 gsm kraft to thick 400 gsm valve sack paper – instantly, without complex menu navigation. This user‑friendly design reduces human errors during busy shifts, ensures consistent quality across job changes, and minimizes downtime. With minimal training, any line operator can master the machine, making it an ideal choice for factories with high staff turnover or multiple shifts.

 

 

The Kraft Paper Bag Printing Machine is purpose‑built for the structural packaging sector. It handles a wide variety of substrates with ease, including:

• Kraft shopping bags (takeaway, retail, grocery)
• Industrial valve bags (cement, chemicals, pet food)
• Corrugated cartons and boxes
• Pizza boxes and paper cup fans
• Non‑woven fabric and laminated kraft composites

This versatility makes it a flexible, reliable solution for on‑demand, custom packaging. Factories can switch between different paper types and thicknesses instantly without compromising print quality, enabling agile production that responds quickly to fluctuating customer orders.

 

 

While traditional flexo or gravure printing requires costly plates and long setup times, the Kraft Paper Bag Printing Machine is a fully digital system – no plates, no cylinders, no prepress delays. This enables a strict minimum order quantity of one piece, making it perfect for prototyping, seasonal promotions, and personalized small‑batch orders. Manufacturers can print a single sample bag for customer approval, then scale to thousands of pieces in the same run, eliminating inventory waste and storage costs. This digital agility is a game‑changer for bag converters looking to offer next‑day turnaround and just‑in‑time delivery.

 

 

For packaging manufacturers seeking to differentiate their kraft‑based products with superior print vibrancy and eco‑conscious ink options, this machine offers the perfect blend of speed, quality, and sustainability. Its single‑pass technology delivers industrial throughput at 40 m/min, while adjustable resolutions and dual‑ink compatibility provide the flexibility to handle everything from high‑end retail bags to rugged industrial sacks. The intuitive push‑button interface ensures minimal operator training, and the digital workflow eliminates plate costs and inventory risks.

 

Whether you are a small custom bag studio or a large‑scale packaging converter, the Kraft Paper Bag Printing Machine empowers you to produce stunning, high‑contrast prints on dark kraft substrates – quickly, cost‑effectively, and with a reduced environmental footprint. Contact our sales team today to request a live sample print, schedule a factory visit, or discuss how this machine can integrate into your existing production line. Elevate your kraft packaging from ordinary to extraordinary.

 

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