PHYSICAL:
Size - 63(W) x 63(D) x 16.2(H) mm (excluding cables)
Head materials - SST, Ni & Epoxy adhesive (Direct contact with ink)
Nozzle plate surface - Non-coated SST
Number of nozzles - 2x 192 channels
Ink inlet port - 2x dual ports
Piezo type - D33 stacked PZT
Drop ejection mode - Piston pusher with metallic diaphragm plate
Integrated electronics - Low-voltage serial to high-voltage parallel converter with 2-bit shift resistors and transmission gate outputs.
Temperature control - Integrated heater and thermistor
Operating temperature range - Up to 60 ° C

INKS:
Compatible jetting fluids - Water, solvent, oil, UV curable
Viscosity range - 10-12 cP (at operating temp.)
Surface tension - 28-35 dynes/cm

PERFORMANCE:
Native drop volume - 7 pico-liter
Drop volume range / variation - 5-25 pico-liter with grey-scale / ±10%
Drop velocity nominal / variation - 8 m/sec / ±10%
Crosstalk - 10% or less with all channels firing
Jet straightness 1 sigma - < 3.5 milli-radian from nozzle centerline
Operating jetting frequency - Native drop; Up to 30kHz / Grey-scale; Up to 20kHz
Life - 100 billion actuation's per nozzle

Ricoh Gen4 is compatible with Apollo and Gunsjet printers.