Genuine Ricoh Gen4 7PL PrintheadThe Gen4 printhead is suitable for water-based, solvent, oily, uv ink,with an integrated heater and thermistor,has two different cable lengths: 19cm long and 44cm long and a choice of hose barb ink inlet or o-ring sealed ink inlet. It is also the most widely used nozzle in recent years. It not only has a long service life, but also has a very good color and fineness. The resolution can be close to the effect of Epson nozzles. Close to the original figure about 85%, suitable for the current market use of painting, relief, varnish process.


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

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

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

Printer compatibility :

Ampla Digital Targa XT 1804

Ampla Digital Targa XT 1808

Ampla Digital Targa XT 1816

Ampla Digital Targa XT 3204

Ampla Digital Targa XT 3208

Ampla Digital Targa XT 3216

Mimaki UJF-3042

Mimaki UJF-3042FX

Mimaki UJF-3042HG

Mimaki UJF-6042

Ricoh Gen4 7PL

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