Canon imageRUNNER ADVANCE 4551i Service Manual page 144

Sleep 1
The state that the controller's all-night and non-all-night power is supplied while the Control Panel is off.
When "High" is set in Settings/Registration > Preferences > Timer/Energy Settings > Sleep Mode Energy Use, the mode is shifted
from Sleep Standby during sleep.
The mode is shifted to Sleep Standby when a job is submitted during this mode, and is shifted to Standby when the Energy Saver
key is pressed.
Sleep 1 (when [Consider Network Connection] is enabled)
The state that only all-night power (5 V) is supplied to the printer/scanner/controller while the Control Panel is off. Select for
responding to requests for exiting Sleep from external sources such as faxes or the network.
The mode is shifted to Sleep Standby when a job is submitted during this mode, and is shifted to Standby when the Energy Saver
key is pressed.
CAUTION:
When Settings/Registration > Preferences > Timer/Energy Settings > Sleep Mode Energy Use > Low > Consider Network
Connection > ON, the mode is shifted to this mode.
When connecting 2-line Fax or coin vendors, a shift to this mode will not take place.
When this mode is enabled, the mode is not shifted to Deep Sleep mode.
Sleep Exit
When recovering to Standby from Sleep, the machine first enters this mode. The state in which power supply is maintained for
recovery from Sleep.
Deep Sleep
In this state, the Control Panel is off while only all-night power supply (5 V) is supplied.
During sleep, the mode is shifted to this mode from Sleep Standby.
The mode is shifted to Sleep Standby when a job is submitted during this mode, and goes through Sleep Exit and is shifting to
Standby when the Energy Saver key is pressed.
When any of the following "Conditions for Not Entering Deep Sleep" applies, transition to this mode does not occur.
■ Conditions for Not Entering Deep Sleep
The moment the host machine enters sleep mode, the back light of the Control Panel is turned OFF. By pressing the Energy
Saver Switch, the device returns from sleep mode and the back light of the Control Panel is turned ON.
Entering auto sleep mode is prohibited when the host machine is in one of the following conditions.
Settings in Settings/Registration
• Preferences > Timer/Energy Settings
Sleep Mode Energy Use > High.
During the time set in [Auto Sleep Time]
• Preferences > Network
TCP/IP Settings > IP Address Settings > Auto IP > ON
TCP/IP Settings > DNS Settings > mDNS Settings > ON
AppleTalk Settings > Use AppleTalk > ON
IEEE 802.1X Settings > Use IEEE 802.1X > ON
• Function Settings
Fax Settings > Select RX Mode > Fax/Tel (Auto Switch)
Fax Settings > Remote RX > ON
Time is specified in [Receive/Firwird > Common Settings > Set Fax/I-Fax Inbox > Memory Lock Start Time / Memory
Lock End Time] (*1)
• Function Settings > Send
Send > Common Settings > Communication Management Report > Specify Print Time > ON (*1)
Send > Fax Settings > Modem Dial-in Settings > Set Line > Line 1 to 4 > ON.
Send > Fax Settings > Fax Activity Report > Specify Print Time > ON (*1)
10 minutes or less is specified in [Send > E-Mail/I-Fax Settings > Communication Settings > Next > POP Interval] (except
when the interval is set to "0")
Hardware status
• The Serial Coin Vendor is connected.
• The iSlot Extension Card is connected.
• The device is connected to a USB host.
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2. Technology