Which HP OfficeJet Pro Series technology achieves print speeds of up to 70 pages per minute?

Explanation/Reference:

http://www8.hp.com/pt/pt/pdf/HP_PageWide_Technology_Whitepaper_tcm_170_13731 63.pdf(page 4)

One of the key differentiators in achieving print speeds of up to 70 pages per minutes is HP PageWide – the company’s next-generation inkjet platform.