HP LaserJet M9040M9050 Multifunction Printer series - Manual (Page 201)

7. Touch the appropriate options to set the correct hour, minute, and AM/PM setting.
8. If you want to wake the MFP at the same time every day (including weekends), on the Apply to
All Days screen, touch
Yes . If you want to set the time for individual days, touch No , and repeat
the procedure for each day.
ENWW Economy settings 187