Canon LBP7780CX User Manual page 564

[Device Control] Page
It controls the printer. Select the item to run, and then click [Execute].
For details on the settings, see
[Department ID Management] Page
If department ID management is set, it displays the number of pages printed by each registered department.
For details on the settings, see
"[Reset] Menu" or "Basic Printer
"Specifying an ID for Each Department
Operations."
."