Kyocera Printhead KJ4A-0300 KJ4A-RH...
This new generation Kyocera KJ4A-RH is designed for high speed single-pass and multi-pass applications with printers using UV ink. It is a 600dpi one colour printhead with a maximum drive frequency of 30kHz.
Reference: 6000003990
This printhead set is suitable for Roland Truevis VG-640/540
Original Ricoh GH2220 Printhead For VG640-SG Assy Inkjet Head 6000003077/6000003991/6000003990
Original Roland inkjet HEAD 200L SG-540/SG-300/VG-640-6000004769/6000003990
JAPAN Original Roland SG-540/SG-300/SG540/SG300 Assy Inkjet Head 200L - 6000003990
Original Roland SG-540/SG-300/VG-640/VG-540/SG540/SG300/VG640/VG540 Assy Inkjet Head 200L - 6000003990
This printhead set is suitable for Roland Truevis VG-640/540 (with a serial number starting with Z*** or K***) & SG-300/540 printers. This is the original Roland part (number 6000003990 replacing 6000003077-1 & 6000002330).
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
This set includes:
1x head
1x fixing tape
1x 200mm long head data cable + plastic shields
1x head tube
Roland
SG-540
SG-300
VG-640
VG-540