Power-Saving Function - Canon imageRUNNER ADVANCE 4551i Service Manual

Power Configuration of the Reader Unit
Printer

Power-saving Function

■ Overview
There are "Standby" and "Sleep" as the power supply mode of this machine.
Further, "Sleep" is divided into the following 5 modes: "Sleep Standby", "Sleep 1", "Sleep 1 (when [Consider Network Connection]
is enabled)", "Sleep Exit", "Deep Sleep".
[Energy Saver] key is turned off
A specified period of time has passed
* The time specified in Settings/Registration> Preferences> Timer/Energy Settings> Auto Sleep Time
Standby
The mode that the machine is running or can start operation immediately and all power is supplied in this mode.
When turning OFF the Energy Saver key or the specified period of time has passed, the mode is shifted to Sleep mode.
When turning ON the Energy Saver key while in Sleep Standby mode, the mode is shifted to this mode.
Sleep Standby
The state that only the Control Panel is off while the power is supplied to all other parts.
Presence of a job is determined and if there is no job, the mode is shifted to Deep Sleep/Sleep 1.
When a job is submitted during sleep (Deep Sleep/Sleep 1), the mode is shifted to this mode.
24V
Reader
Controller
PCB
12V
Standby
or
Sleep Mode
Sleep Standby
Energy Use
"Low"
Job end
Job submission
Deep Sleep
Hard disk drive
protection timer
24V
Motor
5V
Sensor
12V
12V
CCD PCB
6V
24V
DADF driver PCB
12V
Reader Control panel
Engine
Main Controler
[Energy Saver] key is turned on
Energy Use
"High"
Job submission
Job end
Sleep 1
130
2. Technology
LED Lamp
Unit
State of power
supply ON
Energy Saving
State of power
supply OFF