Back view

1USB host connector (connects to USB devices such as flash drives) (HP Officejet Pro K550dtwn)

2Network connector (HP Officejet Pro K550dtn/K550dtwn)

3USB connector

4Power input

5Rear access panel (HP Officejet Pro K550)

6Optional automatic two-sided printing accessory (duplex unit) (HP Officejet Pro K550dtn/K550dtwn)

ENWW

Understanding the printer parts 7