This Ricoh printhead is suitable for GH2220 based printers. This is the original Ricoh part (number GH2220).

Technical Specifications

Size: 61.8(W) × 40.5(D) × 23.3(H) mm (2.43" × 1.59" × 0.92")
Number of Nozzles: 384
Nozzle spacing (Within a row): 0,1693 mm/row
Nozzle spacing (Row to row distance): 0.931 mm
Method: Piston pusher with metallic diaphragm plate
Temperature Control: No heater or thermistor
Drop volume: Binary mode : 3-5pl / Grey-scale mode : 21±2pl
*depending on the ink
Jetting Frequency: Binary mode : 30kHz / Grey-scale mode : 24kHz
Life: 30 billion actuations per nozzle
Compatible ink: Aqueous, Solvent, UV
Singapore, Industrial Machinery, USD 185,  RICOH GH2220 PRINTHEAD