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Ricoh GH2220 Printhead Description
The Ricoh GH2220 printhead is a high-performance industrial inkjet print head designed for aqueous and solvent-based inks, offering reliable operation across a wide range of applications.
It features a piston pusher mechanism with a metallic diaphragm plate, enabling precise control over ink droplet formation and consistent print quality.
With a print width of 32.4 mm (1.28") and 384 nozzles, the GH2220 delivers high-resolution output suitable for signage, textiles, coding, and marking.
The printhead supports binary mode (3–5 pl) and gray-scale mode (21±2 pl), providing flexibility in image detail and print speed.
It operates at a jetting frequency of up to 30 kHz in binary mode, and includes frame-abutting alignment for accurate multi-head configurations.
Built for durability, each nozzle is rated for 30 billion actuations, making it ideal for high-volume industrial printing environments.
Ricoh GH2220 Printhead Specifications
| Parameter | Value |
|---|---|
| Method | Piston pusher with metallic diaphragm plate |
| Print Width | 32.4 mm (1.28") |
| Number of Nozzles | 384 |
| Nozzle Spacing (within row) | 0.1693 mm (1/150") |
| Nozzle Spacing (row to row) | 0.931 mm |
| Compatible Ink | Aqueous, Solvent |
| Total Dimensions | 61.8(W) × 40.5(D) × 23.3(H) mm (2.43" × 1.59" × 0.92") |
| Weight | 38 g |
| Max Color Inks | 2 colors |
| Temperature Control | No heater or thermistor |
| Life | 30 billion actuations per nozzle |
| Jetting Frequency | Binary: 30 kHz / Gray-scale: 24 kHz |
| Drop Volume | Binary: 3–5 pl / Gray-scale: 21±2 pl (ink-dependent) |
| Viscosity Range | 8±0.5 mPa·s (@25°C) |
| Surface Tension | 25±5 mN/m (@23±2°C) |
| Maximum Gray Scale | 4 levels (ink-dependent) |
| Alignment Mechanism | Frame-abutting |
⚠️ Note: Results based on continuous jetting test using standard Ricoh test ink.
Typical Applications
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Contact: Vicky Wei
Phone: +8613249595563
Email: info@grisprint.com / crystal@grisprint.com
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