COPYRIGHT © 2000 CANON INC. 2000 2000 2000 2000 CANON iR5000/iR6000 REV.0 JULY 2000CHAPTER 2 MAIN CONTROLLER2-15 S4.5 Low Power ModeIn low power mode, only the +24-V power supply remains off; the level of power con-sumption for the reader unit and the printer unit is reduced for low power consumption.4.5.1 Shift from Standby Mode (standby → low-power)A shift is made from standby mode to low power mode under the following conditions:• Low power mode is selected on the control panel.• Standby mode has continued for a specific period of time, selected in user mode.4.5.2 Shift to Standby Mode (low power → standby)A shift is made from low power mode to standby mode under the following conditions:• The control panel power switch (soft switch) is on.• PDL data is received from the network or parallel power. (Electrically, the controlpanel is off as in standby mode.)4.6 Sleep ModeIn sleep mode, only the +3.3-V all-night (3.3 VB) power supply is powered.The CPU on the main controller PCB stops the programs, thereby saving power (the pro-gram is stopped).This mode is used only when the machine is used as a printer equipped with a networkprint option/PDL print option.4.6.1 Shift from Standby Mode (standby → sleep)A shift is made from standby mode to sleep mode under the following conditions:• The control panel power switch (soft switch) is off.• Standby mode has continued for a specific period of time (selected in user mode).4.6.2 Shift from Low Power Mode (low power mode → sleep)A shift from low power mode to sleep mode is made under the following conditions:• The control panel power switch (soft switch) is off.• Low power mode has continued for a specific period of time (selected in user mode).4.6.3 Return to Standby Mode (sleep → standby)• The control panel power switch (soft switch) is on.• PDL data is received from the network/parallel port. (Electrically, the control panel isoff as in standby mode.)