Ricoh GEN6 MH5320 Printhead Description
The Ricoh GEN6 MH5320 is a next-generation industrial inkjet printhead designed for high-definition, high-speed production printing. It is engineered with advanced piezo drop-on-demand technology and improved ink compatibility, making it suitable for demanding UV, solvent, and aqueous printing applications.
Compared to earlier generations, the GEN6 MH5320 offers enhanced durability, more stable jetting performance, and improved image precision. It features 1,280 nozzles arranged in a 4 × 320 configuration, enabling high-resolution 600 dpi printing with excellent detail reproduction and reduced graininess. Its grayscale capability and high firing frequency allow smooth gradients and efficient high-speed output in industrial environments.
The GEN6 MH5320 is widely used in wide-format printing, signage, packaging, textile, and other industrial digital printing systems where reliability, precision, and long service life are critical.
Key Features
- Advanced piezo drop-on-demand technology
- 1,280 nozzles (4 × 320 configuration)
- Native resolution up to 600 dpi
- High-speed grayscale printing for smooth gradients
- Compatible with UV, solvent, and aqueous inks
- Improved ink compatibility and longer service life vs previous generations
- Stable jetting performance for continuous production
- Suitable for wide-format and industrial printing systems
Ricoh GEN6 Printhead MH5320 Specifications
| Method | Piston pusher with metallic diaphragm plate |
| Print Width | 54.1 mm (2.1″) |
| Number of nozzles | 1,280 (4 x 320 channels), staggered |
| Nozzle spacing (Within a row) | 1/150″ (0.1693 mm)/row |
| Nozzle spacing (row-to-row distance) | A: 1.01mm B: 11.811 mm |
| Compatible ink | UV, Solvent, Aqueous, Others |
| Max. number of colors inks | 2 colors |
| Temperature control | Integrated heater and thermistor |
| Life | 30 billion actuations per nozzle |
| Jetting frequency | 50kHz (3 levels) 40kHz (4 levels) |
| Drop volume |
Binary mode: 5pl / Gray-scale mode: 5-15pl |
| Viscosity range | 10~12mPa • s |
| Surface tension | 28~35mN/m |
| Maximum grey scale | 4 levels *depends in ink characteristics |
| Ink port | Yes |
| Dimensions (WxDxH) | 89 x 24.51 x 66.3 mm (3.5’’x 1.0″ x 2.6’’) |
| Weight | 228g (including 45C cable) |
