HP Designjet 10000s Printer series - Manual (Page 14)

2. Open the power cable clamp, pass the power cable through the clamp, close the clamp, and then
clamp the cable. This prevents accidental unplugging.
3. Confirm that the dryer's main power switch is off (O), then connect the other end of the power
cable to a suitable power outlet (see Specifications for details).
4. Turn on the dryer's main power switch.
10 Chapter 3 How to install the dryer ENWW
How to install
the dryer