ENERGY Conservation MODES
SM 6-187 B234/B235/B236/D101/D102/D103
Detailed
Descriptions
6.19.5 SLEEP MODE
This is used instead of off mode when an optional scanner/printer unit is installed.
There are two types of sleep mode: Sleep Stand-by Mode and Sleep Mode. The
difference between sleep stand-by mode and sleep mode is the machine’s
condition when the machine enters off mode.
Entering sleep stand-by and sleep modes
The machine enters the sleep stand-by mode and sleep modes when one of the
following is done.
• The operation switch is pressed to turn the power off
• The auto off timer runs out (the operation switch is then turned off, but the main
power switch stays on)
If the machine is in one or more of the following conditions, the machine enters
sleep stand-by mode. If not, the machine enters sleep mode.
• Error or SC condition
• Image data is stored in the memory
• An original is in the ADF
• The ADF is open
• Paper is left in the duplex unit or staple tray
What happens in sleep stand-by and sleep modes
When the machine enters either of these modes, the fusing lamp and operation
switch turn off, and only the main power LED is lit.
Sleep stand-by mode
The system +5V and +24 V are supplied to all components.
Sleep mode
The system +5V supply is also turned off. However, +5VE (+5V for energy saver
mode) is still activated. When the machine detects a signal from the PC, the
machine goes back to sleep stand-by mode and the system +5V and +24V
supplies are activated. Then the machine receives the incoming message and
prints it.
Returning to stand-by mode
The machine returns to stand-by mode when the operation switch is pressed.
Mode
Operation
Switch
Energy
Saver
LED
Fusing Temp.
System
+5V
Note
Sleep stand-
by mode
Off Off
Room Temp.
(Fusing lamp off)
On
Sleep mode Off Off
Room Temp.
(Fusing lamp off)
Off
Only +5VE/+12VE is
supplied to the
controller, MB, HDD.
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