Spesifikasi Ricoh Head Gen 4


Ricoh head gen 4

  • Feature Desain
  • 384 Channel
  • 30kHz
  • Grey scale Capability
  • Two color support


Size 36(W)x63(D)x16,2(H)mm (Including Cable)
Head Material SST,Ni &Epoxy adhesive (Direction contact with Ink)
Nozzle plate surface No-coated SST
Number of nozzle 2x192 channel

Nozzle spacing:

A. whitin a row color

B. Row to Row offset

C. Row to Row distance

 Ricoh head gen 4-b




Ink inlet port 2x dual port
Piezo type D33 stacket PZT
Drop ejection mode Piston phaser with metalic diaphragma plate
Integrated electronic Lo foltage serail to high foltae paralel  converter with 2bit shift resistor & transmision gate output
Temperature control Integrated heater and termistor
Operator temperature range Up to 60 ° C


Compatiel jetting fluids  Water,Solvent,Oil, UV Curable 
Viscosity range  10-12 cP (at operating temp) 
Surface tention  28/35 dynes/cm 

Performance :

Native drop volume 7 Pico Liter
Drop volume range/variation 5-25 pico liter with gray scale / ±10%
Drop velosity nominal / variation 8 m/sec / ±10%
Crosstalk 10% or less with all channel firing
Jet straighness 1 sigma <3.5 mili-radian from nozzle center line
Operating jetting frequency Natice drop : upto 30 kHz , gray scale Upto 20 kHz
Life 100 Billion actuation per nozzle