Ricoh GEN5 MH5420 UV Printhead

The Ricoh GEN5 MH5420 UV Printhead part No. N221414E from MH Series  is one of the most advanced and reliable printheads in the industrial printing industry. Designed for high-speed, high-precision printing, it serves various applications, including signage, packaging, and textiles. Its versatility, durability, and precision make it a preferred choice for businesses looking to optimize their printing capabilities.

Overview of Ricoh GEN5 MH5420 UV Printhead

The Ricoh GEN5 MH5420 is a drop-on-demand piezoelectric printhead that delivers high-resolution printing with exceptional accuracy. With multi-drop technology, it precisely controls ink droplet placement, ensuring consistent and high-quality output. This printhead supports UV-curable inks, making it suitable for a range of industrial applications.

Key Features of Ricoh GEN5 MH5420 UV Printhead

1. High Resolution and Precision – Achieves up to 600 dpi, ensuring sharp and detailed prints.
2. Multi-Drop Functionality – Enables variable droplet sizes for smoother gradients and enhanced image quality.
3. Durable Construction – Built with stainless steel nozzles that resist corrosion and wear for long-term use.
4. UV-Curable Ink Compatibility – Optimized for UV-curable inks, ensuring high adhesion and vibrant colors.
5. High-Speed Performance – Delivers fast print speeds without sacrificing quality.
6. Independent Channel Control – Supports multiple ink types simultaneously, increasing efficiency in color management.
7. Reduced Maintenance Needs – Features a self-cleaning function, minimizing downtime and improving longevity.

Applications of Ricoh GEN5 MH5420 UV Printhead

The Ricoh GEN5 MH5420 printhead supports multiple industrial and commercial printing applications, including:

• Signage and Large-Format Printing – Ideal for billboards, banners, and backlit displays.
• Packaging and Label Printing – Suitable for printing on flexible packaging, labels, and cartons.
• Glass and Metal Printing – Delivers high-quality prints on rigid materials.
• Textile Printing – Enhances fabric and garment printing with sharp and vibrant colors.
• 3D Printing Applications – Plays a key role in additive manufacturing for precise layer application.

Advantages of Using Ricoh GEN5 MH5420 UV Printhead

1. Exceptional Print Quality – Produces high-resolution, vibrant images with precise color reproduction.
2. Extended Lifespan – Constructed with durable materials, ensuring long-term performance with minimal wear.
3. Energy Efficiency – Operates with low power consumption, reducing operational costs.
4. Versatile Ink Compatibility – Works with UV-curable inks and other specialized formulations.
5. Minimal Downtime – Designed for continuous operation with self-maintenance features.
6. Scalability – Supports single or multiple printhead configurations, allowing business expansion.

Comparison with Other Printheads

The Ricoh GEN5 MH5420 balances performance, durability, and cost, making it a practical choice for businesses looking to enhance their printing processes.

Maintenance and Care Tips

To ensure optimal performance and longevity, follow these maintenance practices:

• Regular Cleaning – Clean nozzles using appropriate solutions to prevent clogging.
• Proper Storage – Store the printhead in a controlled environment when not in use to prevent ink drying.
• Use Recommended Inks – Only use compatible UV-curable inks to avoid damage.
• Handle with Care – Install and maintain with caution to prevent physical damage.
• Follow Manufacturer Guidelines – Adhering to Ricoh’s specifications will extend the printhead’s lifespan.

This Ricoh GEN5 is 650mm long in total (head body + cable + connectors). Head cable is 550mm long and with the hose barbs which can easily be removed if needed.

Product Specifications:

• Dimensions: 89 x 25 x 69 mm (excluding cables)
• Head materials: SST, Nickel alloy and Epoxy Adhesive
• Nozzle plate surface: Coated SST
• Number of nozzles: 4 x 320 nozzles
• Nozzle spacing: 0.1693 mm
• Nozzle density: up to 600 npi
• Piezo yype: D33 Stacked PZT
• Temperature control: Integrated Heater and Thermistor
• Operator temperature range: Up to 80° C
• Native drop volume: 7 pl
• Drop volume range: 7 – 35 pl
• Drop velocity: 7 m/s
• Jetting frequency: Up to 60 kHZ
• Ink compatibility: UV Inks
• Life: 100 billion actuations per nozzle
• Country of origin : Japan