Deep Sleep Function - Brother MFC-9130CW Service Manual

2.5

Deep Sleep Function

In addition to the sleep function with the normal specifications, the deep sleep function is
prepared to reduce the power consumption.
The deep sleep function is used to stop the operation of the following functions whereas they
are available in the normal sleep mode.
- Operation of the fan
<Transition conditions>
The machine goes into the deep sleep function when the user does not operate the machine
(from a computer) and no warning such as an error is issued after it goes into the normal sleep
mode and the main fan is stopped.
<How to Exit>
The machine comes out of deep sleep when receiving input from an external device like print
data from a computer or when a key on the control panel is pressed, joint cover ASSY is
opened/closed, or paper is loaded into the manual feed slot.
■ Setting of ON/OFF of the deep sleep function
<Operating procedure>
(1) Press "Menu" on the LCD in the ready state.
(2) Press "ALL Settings" on the LCD.
(3) Press "General Setup" on the LCD.
(4) Press "Ecology" on the LCD.
(5) When the "Sleep Time" appears on the LCD, hold down the * key for 5 seconds or longer.
(6) When "Deep Sleep On Off" appears on the LCD, select the desired setting. When the
setting is changed, the machine returns to the "Sleep Time" display.
(7) Press the Home key to return the machine to the ready state.
Note:
- When no operation is made for 30 seconds during the switching operation, the machine
returns to the ready state.
- The initial value of Deep Sleep is set to On.
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