HP Designjet 510 Printer series - Manual (Page 115)

Display screen
The display screen of the front panel shows the main menu (the words displayed may vary).
NOTE: You can always reach the main menu by pressing the Menu key.
After a short time-out, the display will always revert to the main menu with the Job Management menu active.
The Navigation example is given from the Job Management menu.
Paper menu icon
Ink menu icon
Job Management menu icon (active)
Setup menu icon
Active menu
Information
message
Error
message