Selling HP Printing Hardware and Supplies: HP2-B97 Exam HP2-B97 Questions & Answers Exam Code: HP2-B97 Exam Name: Selling HP Printing Hardware and Supplies Q & A: 55 Q&As QUESTION 1 Which element is part of a Laser printing system? A. print head B. charging roller C. adaptive lighting D. Tri-Color cartridge Answer: B Explanation: http://en.wikipedia.org/wiki/Laser_printing