Introducing the new GH Print Head 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.
In addition to water-based inks, these print heads support solvent inks as well.
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.
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 | 38g |
| Max number of color inks | 2 colors |
| Temperature control | No heater or thermistor |
| Life | 30 billion actuations per nozzle |
| Jetting frequency | Binary mode : 30kHz / Gray-scale : 24kHz |
| Drop volume | Binary mode : 3-5pl / Gray-scale : 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 |
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