Use the scroll keys 
or
to select the required value between 1 and 240 minutes.
The following values are selectable: 1, 2, 3, 4, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 70, 80, 90, 100, 110, 120, 150, 180, 210 and 240 minutes.
Press [Enter].
Press [Features] key to return to the Ready mode.
Timers
Standby mode :
240min
30
1min
Machine Defaults & Setups
Use the scroll key 
to select [Sleep mode] and Press [Enter].
The LCD screen displays the current Sleep mode timer value.
Sleep Mode
The default setting is for the machine to automatically power down 15 minutes after the machine enters Standby mode. To activate the machine, press any key on the control panel or open the document glass cover or document feeder.
Timers
1.Time out
2.Standby mode
3. Sleep mode
Timers
Sleep | 240min | |
mode : |
|
|
15 |
| |
| 3min |
|
WorkCentre Pro 421 User Guide |
