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Ricoh GH2220 Water/Solvent Printhead
This Ricoh printhead is suitable for GH2220 based printers. This is the original Ricoh part (number GH2220).
Compatible with: Oric TS1519-GH-6H, WER RF1808, R3208, R1808, R3T, RD3T, Winjet, W2-GH2220
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Ricoh GH2220 Water-Solvent Printhead
Printhead Technical Specifications:
Ricoh GH2220 Water Solvent Printhead is introduced to complement Ricoh’s stainless steel MH series Print Head family. The GH Print Head is a result of over 10 years of Ricoh research and manufacturing optimization and is now made available for OEMs to incorporate in their aqueous and solvent ink based printer offerings.
Supports water and solvent based inks.
In addition to water-based inks, these print heads support solvent inks as well.
Ricoh GH2220 Water Solvent Printhead Multi-drop technology enables gray scale expressions
These print heads support multi-drop-based droplet control for instantly consolidating the ink that is discharged from the nozzle at high speeds before it reaches the surface of the medium. Droplet volume control enables full control of ink discharge from small to large droplets.
Specifications / External dimensions
Expanding industrial opportunities with new precision
fabricated silicon range.
| GH2220 | |
|---|---|
| Method | Piston pusher with metallic diaphragm plate |
| Print Width | 32.4 mm(1.28″) |
| Number of nozzles | 384 |
| Nozzle spacing (Within a row) | 1/150″(0.1693 mm)/row |
| Nozzle spacing (Row to row distance) | 0.931 mm |
| Compatible ink | Aqueous, Solvent |
| Total printhead dimensions | 61.8(W) × 40.5(D) × 23.3(H) mm (2.43″ × 1.59″ × 0.92″) |
| Weight | 36g |
| Max number of color inks | 2 colors |
| Temperature control | No heater or thermistor |
| Life | 30 billion actuations per nozzle |
| Jetting frequency | Binary mode : 30kHz / Grey-scale mode : 24kHz |
| Drop volume | Binary mode : 3-5pl / Grey-scale mode : 21±2pl *depending on the ink |
| Viscosity range | 8±0.5mPa・s(@25℃) |
| Surface tension | 25±5mN/m (@23±2℃) |
| Maximum gray scale | 4 levels * depends on ink characteristics |
| Alignment mechanism | Frame-abutting |
- *Results obtained from continuous jetting test using standard Ricoh test ink.
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