HP QMS 4060 - Manual (Page 124)

Engine
QMS 4060 Print System Reference 4-90
the printer is inactive for a user-defined length of time. When a print
job is received, the printer returns to normal power within 90 seconds.
Setting Default Resolution
This option sets the print engine’s default resolution.
Menu Administration/Engine/Energy Saver
Choices 15 minutes, 30 minutes, 1 hour, 2 hours, 3 hours—
Idle time before activation of low-power state.
Off—Use normal power all of the time.
Default 1 hour
Menu Administration/Engine/Def. Resolution
Choices 300 dpi—300x300 dpi resolution.
600 dpi—600x600 dpi resolution.
Default 600 dpi