Which technology does HP use with most of its inkjet printers?

A.
HP Bulbjet technology

B.
HP Thermal Inkjet technology

C.
HP Liquid crystal technology

D.
HP Piezo Inkjet technology

Explanation:
Reference: http://h10088.www1.hp.com/cda/gap/display/main/index.jsp?zn=gap&cp=20000-13698-13855-14056%5E203738_4041_100__