This Ricoh printhead is suitable for GH2220 based printers. This is the original Ricoh part (number GH2220).
 
The following items are expressly excluded from warranty coverage:
defects related, in any way, to the use of non-original inks
clogged, missing or deviated nozzles
defects related to misuse, abuse, accident, neglect, lack of use, or improper storage when not in use for extended periods
defects related to failure to perform periodic maintenance as specified in the user documentation; operation for unintended purposes
defects related to improper loading of media
all other defects, failures or damage not considered manufacturing defects
defects related to third-party applications, software, parts, components, or peripheral devices, including any bulk ink system.
defects that are merely cosmetic in nature.
 
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
This printhead carries a manufacturer warranty. Country of origin : Japan
We recommend to change the head cables when installing a new printhead. 
 
Printer compatibility
Oric TS1519-GH-6H
 
WER RF1808
WER R3208
WER R1808
WER R3T
WER RD3T
 
Winjet W2-GH2220
 
Yuxunda SGH0606
Yuxunda SGH0609
Yuxunda SGH1013
Yuxunda SGH2513