Ricoh GEN5 Printhead – MH5421MF

This MH5421MF Ricoh printhead offers high-resolution printing and support for multiple ink colors with multi-row nozzles, as well as enhanced aqueous ink compatibility with new bonding technology. We recommend to change the head cables when installing a new printhead.

The head comes with a 447mm cable. the total length of head and cable is 500mm. The head ribbon cable is also available individually.

• 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

• Max. number of color inks: 2 colors
• Print width: 54.1mm
• Compatible ink: aquaeous ink
• Nozzle spacing: 1/150″ (0.1693mm)
• Head materials: SST, Nickel alloy and Epoxy Adhesive
• Nozzle plate surface: Coated SST
• Number of nozzles: 4 x 320 nozzles (1280)
• Nozzle spacing: 0.1693 mm
• Temperature control: Integrated Heater and Thermistor
• Operator temperature range: Up to 50° C
• Drop volume: 7/14/21 pl (depending on the ink)
• Jetting frequency: 30 kHZ
• Viscosity range: 6mPa . s
• Gray-scale: 4 levels (depending on the ink characteristics)
• Total length: 248mm (cable length: 179mm)
• Dimensions: 89 x 25 x 69 mm (excluding cables)
• Weight: 155g

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