Upgraded CIJ Printer for Food Bags: High-Speed Date Coding Meets New Traceability Standards

Automatic Production Line Food Packaging Bag Small Character Inkjet Printer (CIJ)

In modern food manufacturing, printing production dates, batch codes, and shelf-life information on packaging bags is not only a consumer right but also a direct reflection of brand credibility and regulatory compliance. For high-speed automatic production lines, the small-character continuous inkjet (CIJ) printer has become the mainstream coding solution in the food packaging industry, thanks to its non-contact printing, high-speed stability, and adaptability to various substrate materials.

Product Features & Characteristics

This printer utilizes advanced continuous inkjet technology, where electrically charged ink droplets are deflected by a high-voltage electric field to form clear, durable characters on bag surfaces. It supports adjustable character heights and can print numbers, letters, Chinese characters, graphics, and 1D/2D barcodes. The intuitive interface, allowing operators to switch print templates swiftly. The printhead incorporates an automatic cleaning and sealing design, significantly reducing nozzle blockage risks and extending service life. The closed solvent cartridge system enables spill-free, quick replacement, meeting sanitary standards in food workshops. Multi-language support caters to export-oriented manufacturers.

Core Advantages

• Exceptional Stability: Built-in pressure and temperature closed-loop control systems ensure consistent droplet size, maintaining print clarity even in workshops with fluctuating humidity or temperature.

• Cost Efficiency:  The automatic ink-saving mode lowers ink pressure during idle periods, conserving consumables.

• Flexible Installation: The printhead can be rotated 360° for downward, sideward, or upward printing to accommodate various bag orientations. A standard fiber-optic sensor automatically detects bag position for precise triggering.

• Low Maintenance: With a 50-micron nozzle aperture and an intelligent self-diagnosis system, the printer performs automatic flushing at startup and seals the nozzle at shutdown, extending maintenance intervals beyond 6,000 operating hours.

• Compliance & Traceability: Stores over 1,000 message templates, supports USB import/export, and integrates with ERP systems for full batch traceability, aligning with food safety regulations.

Technical Specifications

Frequently Asked Questions (FAQ)

Q1: Can the printer produce clear codes on uneven or wrinkled bag surfaces?
A: Yes. The dynamic droplet adjustment feature fine-tunes ink pressure based on sensor-detected distance variations, ensuring good adhesion and readability even on slightly uneven or wrinkled substrates.

Q2: Is the ink food-contact safe?
A: We offer food-grade certified inks compliant with GB 4806 and FDA standards. These inks are printed on the outer bag surface only, with no direct food contact, and meet all migration safety limits.

Q3: How often does the printhead need cleaning?
A: Under normal use, automatic cleaning is recommended once per week, while manual cleaning is advised every 2–3 months. For pigment-based inks, monthly manual cleaning is suggested.

Q4: Will data be lost after a power outage?
A: No. All print contents and system parameters are stored in built-in flash memory. Data is automatically saved upon power-off, and production can resume immediately after restart.

Q5: Can it print both production date and real-time time simultaneously?
A: Yes. It supports dynamic date and time variables with automatic updates, and can also lock fixed batch numbers, offering flexibility for different production scenarios.

Q6: Does it support remote diagnostics and maintenance?
A: Yes. Via the Ethernet port, suppliers can remotely access equipment logs to assist troubleshooting, significantly reducing downtime.