Ricoh Gen6 Print Head – RICOH MH5320/5340

Ricoh Gen6 MH5320/5340 Print Head with a 5pl droplet size, designed for high-resolution UV printing, showcasing advanced nozzle technology and durability.

This Ricoh MH5320 printhead with a cable length of 447mm is suitable for a range of UV printers.

Description

This Ricoh GEN6 5pl print head (MH5320 series) is compatible with UV based inks. The service life of the MH5320/MH5340 is more than double that of the MH5421/MH5441 that preceded it.

A minimized 5pl droplet size and improved jetting accuracy yields excellent print quality without graininess. With 1,280 nozzles configured in 4 x 150dpi rows, this head achieves high-resolution 600dpi printing. Greyscale features a maximum frequency of 50kHz, allowing for increased productivity.

This printhead is available with a cable (including connector) of either 145mm or 447mm. This printhead has a cable of 447mm and a total length including the printhead of 500mm.

The following items are expressly excluded from warranty coverage:

  • defects related, in any way, to the use of non-original inks.
  • clogged, missing or deviated nozzles.
  • defects related to misuse, abuse, accident, neglect, lack of use, or improper storage when not in use for extended periods.
  • defects related to failure to perform periodic maintenance as specified in the user documentation; operation for unintended purposes.
  • defects related to improper loading of media.
  • all other defects, failures or damage not considered manufacturing defects
  • defects related to third-party applications, software, parts, components, or peripheral devices, including any bulk ink system.
  • defects that are merely cosmetic in nature.

Product Specifications

  • Dimensions: 89 x 25 x 69 mm (excluding cables).
  • Head materials: SST, Nickel alloy and Epoxy Adhesive.
  • Nozzle plate surface: Coated SST.
  • Number of nozzles: 4 x 320 nozzles.
  • Nozzle spacing: 0.1693 mm.
  • Nozzle density: up to 600 npi.
  • Temperature control: Integrated Heater and Thermistor.
  • Operator temperature range: 60° C.
  • Drop volume: Binary mode: 5pl / Grey-scale mode: 5-15pl.
  • Jetting frequency: 50kHz (3 levels); 40kHz (4 levels).
  • Ink compatibility: UV.

This printhead carries a manufacturer warranty. Country of origin: Japan.

We recommend to change the head cables when installing a new printhead. 

Characteristics

High-definition and High-productivity

image:High-definition and High-productivity

A minimized 5pl droplet size and improved jetting accuracy yields excellent print quality without graininess. With 1,280 nozzles configured in 4 x 150dpi rows, this head achieves high-resolution 600dpi printing. Greyscale features a maximum frequency of 50kHz, allowing for increased productivity.

Enhanced Ink compatibility

This head is compatible with UV, Solvent and Aqueous based inks. Specifically, the aqueous ink compatibility and service life of the MH5320/MH5340 is more than double that of the MH5421/MH5441 that preceded it.

* Results 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. Printhead replacement is simple. In addition to official MH cables, customers may design cables compatible with their application as needed with the existing cable structure.

Specifications / External dimensions

Featuring high durability and enhanced ink compatibility, this Inkjet Head enables high definition and high productivity applications.

image:RICOH  MH5320 (two color model)
 MH5320MH5340MH5320 Type A
MethodPiston pusher with metallic diaphragm plate
Print Width54.1 mm (2.1″)
Number of nozzles1,280 (4 × 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 inkUV, Solvent, Aqueous, Others.
Total printhead dimensions89(W) × 66.3(D) × 24.51(H) mm (3.5″ × 2.6″ × 1.0″)
Weight228g (including 45C cable)
Max. number of color inks2 colors4 colors2 colors
Operating temperature range60℃
Temperature controlIntegrated heater and thermistor
Jetting frequency50kHz (3 levels)
40kHz (4 levels)
Grey-scale4 levels
Drop volumeBinary mode: 5pl / Grey-scale mode: 5-15pl
Viscosity range10~12mPa・s
Surface tension28~35mN/m
Ink portYesYesNo
Separately sold partsMH5320 / MH5340 / MH5320 Type A dedicated cable
  • *Results obtained from continuous jetting test using standard Ricoh test fluid.
image:Specifications / External dimensions

For more information about the features and advantages of the Ricoh Gen6 5pl print head, please visit: 

https://industry.ricoh.com/en/industrialinkjet/mh/5320_5340

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