Ricoh MH5421F Gen5 Recirculating Inkjet Printhead
Ricoh MH5421F Gen5 Recirculating Inkjet Printhead
Metal industrial printhead with ink recirculation, four staggered nozzle rows and integrated temperature control.
Product Overview
The Ricoh MH5421F is a metal industrial printhead with ink recirculation for reliable ink delivery. Four staggered nozzle rows support up to two colors, with an integrated heater and thermistor for controlled operation.
Technical Specifications
| Print width | 54.1 mm |
|---|---|
| Nozzles | 1,280 (4 × 320) |
| Maximum ink colors | 2 |
| Drop volume | 7 / 14 / 21 pl |
| Jetting frequency | 30 kHz |
| Greyscale | 4 levels |
| Temperature control | Up to 60°C |
| Dimensions | 89 × 24.5 × 66.3 mm |
| Weight | 147 g |
| Ink viscosity | 11 mPa·s |
Droplet and greyscale performance depend on ink properties and driving conditions.
Ink & Applications
Compatible with UV, solvent and aqueous ink configurations. Confirm the exact formulation, waveform, recirculating ink supply and printer setup.
Verify Before Ordering
Send the current head label and connector photos, printer model, ink type and required quantity.
Compatibility & Installation
Compatibility depends on the exact head version, waveform, ink formulation, cables and printer controller. Installation should be completed by a qualified technician.
Download the product datasheet →
Need an MH5421F quotation?
Send your printer model, current printhead label photo, ink type, quantity and delivery country.
Request a QuoteThe MH5421F supports ink recirculation and UV, solvent and aqueous ink types. Its specified ink viscosity is 11 mPa·s; the MH5421MF is a separate 6 mPa·s model.
















