Ricoh GEN6 MH5340 Printhead Description
Launched as a higher-spec model of the RICOH MH5420/5440 and RICOH MH5421/5441, the Ricoh Gen6 Printhead’s minimized 5pl drop size and improved jetting accuracy produce excellent print quality without graininess. In addition, the maximum frequency of grayscale is 50kHz, which improves productivity.
Ricoh GEN6 features enhanced bonding technology for improved durability. With these new features, the RICOH MH5320/5340/5320 Type A further enhances its compatibility with UV, solvent, and water-based inks. Specifically, MH5320’s water-based ink compatibility and service life are more than twice that of the previous MH5421.
Ricoh GEN6 MH5340 Printhead 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 | 4 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) |
