This Ricoh GEN5 Printhead is suitable for a range of UV, Solvent and Aqueous based printers. 
With 1,280 nozzles configured in 4 x 150dpi rows, this head achieves high-resolution 600dpi printing. Additionally, the ink paths are isolated, enabling a single head to jet up to four ink colors. It achieves excellent gray-scale rendering with up to 4 scales per dot. This head comes with hose barbs. The hose barbs can be removed if printhead with o-rings is needed. Ricoh P/N is N221345P.
 
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.
Product Specifications
Method:  Piston pusher with metallic diaphragm plate
Print Width: 54.1 mm (2.1")
Number of nozzles: 1,280 (4 × 320 channels), staggered
Nozzle spacing (4 color printing): 1/150"(0.1693 mm)
Nozzle spacing (Row to row distance): 0.55 mm
Nozzle spacing (Upper and lower swath distance): 11.81mm
Max.number of color inks: 4 colors
Operating temperature range: Up to 60℃
Temperature control: Integrated heater and thermistor
Jetting frequency: Binary mode : 30kHz / Grey-scale mode : 20kHz
Drop volume: Binary mode: 7pl / Grey-scale mode : 7-35pl *depending on the ink
Viscosity range: 10-12 mPa•s
Surface tension: 28-35mN/m
Grey-scale: 4 levels
Total Length: 500 mm (standard) including cables
Dimensions: 89 x 25 x 69 mm (excluding cable)
Number of ink ports: 4 × dual ports
Alignment pin direction: Front (standard)
Ink compatibility: UV, Solvent, Aqueous, Others.
This printhead carries a manufacturer warranty.
Country of origin : Japan
 
We recommend to change the head cables when installing a new printhead.