The RICOH MH5422/5442 is the next advanced performance print head in the “RICOH MH5420/5440” and “RICOH MH5421/5441” family of print heads.
With 1,280 nozzles configured in 4 x 150npi rows, native droplet of 7pl, and enhanced specification for jetting accuracy and velocity resulting in higher and reproducible print quality. RICOH MH5422/5442 offers optimum jetting performance at a new maximum frequency level of 50kHz, enabling increased productivity in binary mode.
*Where RICOH MH5442 is used.
This head is compatible with UV, Solvent and Aqueous based inks. Specifically, the aqueous ink compatibility and service life of “RICOH MH5422/MH5442” is more than double that of the “RICOH MH5421/MH5441”.
*Results obtained using ink and evaluation procedures defined by Ricoh
RICOH MH5422/MH5442 has enhanced non-wet coating provides a more durable nozzle surface for continued robust printing including print head maintenance.
*Result obtained using ink and evaluation procedures defined by Ricoh
A new, straightforward alignment method using printhead surfaces enables high precision positioning accuracy and easy alignment.
RICOH MH5422/MH5442 has a detachable I/O cable design.
RICOH MH5442 (two color model)
| RICOH MH5422 | RICOH MH5442 | RICOH MH5422 Type A | |
|---|---|---|---|
| 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 (4 color printing) | 1/150" (0.1693 mm) | ||
| Nozzle spacing (Row to row distance) | A : 1.101mm B : 11.811mm | ||
| Compatible ink | UV, Solvent, Aqueous, Others. | ||
| Total printhead dimensions | 89(W) x 24.51(D) x 66.3(H) mm (3.5" x 1.0" x 2.6") |
||
| Weight | 228g (including 45C cable) | ||
| Max.number of color inks | 2 colors | 4 colors | 2 colors |
| Operating temperature range | 60℃ | ||
| Temperature control | Integrated heater and thermistor | ||
| Jetting frequency | 50kHz (2 levels : binary) 30kHz (4 levels) |
||
| Grey-scale | 4 levels | ||
| Drop volume | Binary mode : 7pl Grey-scale mode : 7-21pl |
||
| Viscosity range | 10～12mPa・s | ||
| Surface tension | 28～35mN/m | ||
| Ink port | Yes | Yes | No |
| Separately sold parts | Dedicated cable | ||
-Product appearance and specifications may be changed without prior notice for improvement purpose.
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