HP Color LaserJet 8550 Multifunction Printer series - Manual (Page 30)

30 Chapter 1 Product introduction
EN
Figure 5 Left-side view of the copy module control panel
1 Touch panel display: Adjust the copy module’s features using
the touch panel display.
2 C OPY key: Press to switch to the copy feature or to take the copy
module out of Energy Saver mode.
3 S YSTEM key: Displays system and printer unit information on the
touch panel display.
4 Status lights: These four lights indicate the status of the system.
(See page 34 for a description of how to interpret the colors and
behavior of the status lights.)
5 Display contrast dial: Turn to adjust the contrast on the touch
panel display. (See page 38 for instructions on adjusting the
contrast on the touch panel display.)
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