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RICOH MH5422/5442

image:RICOH MH5320/5340

Characteristics

High print quality and High productivity

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.

image:High print quality and High productivity

*Where RICOH MH5442 is used.

Enhanced Ink compatibility

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

Enhanced non-wet coating

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

System compatibility

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 MH5422/MH5442 features enhanced specification for jetting accuracy and velocity resulting in higher and reproducible print quality.

RICOH MH5442 (two color model)

image:RICOH  MH5320 (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
  • *Results obtained from continuous jetting test using standard Ricoh test fluid.

image:Nozzle

image:External dimensions

-Product appearance and specifications may be changed without prior notice for improvement purpose.

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