Toshiba CE4M print head: Long life, second print speed, high precision, cheap price
Epson XP 600 print head: most sophisticated, slow print speed, short life , cheap price
Ricoh Gen5 print head: high speed, high precision, high stability, high price
Ricoh Gen6 print head: high speed, high precision, high price
Konica KM1024I print head: Best fast print speed, 145㎡/hr