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2001 CANON INC. 2000 2000 2000 2000 CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001
CHAPTER 2 MAIN CONTROLLER
2-17 S
4.5 Sleep Mode 2
In sleep mode 2, only the +3.3V all-night (3.3 VB) power supply is ON. The CPU on the
main control paper remains in wait for an interrupt (keeping the program at rest) to limit the
consumption of power.

4.5.1 Shift from Standby Mode to Sleep Mode 2

A shift from standby mode to sleep mode 2 is executed under the following:
• The power switch (soft switch) in the control panel is OFF.
• The machine has remained in standby mode for a specific period of time (may be
changed in user mode).

4.5.2 Shift from Sleep Mode 2 to Standby Mode

A shift from sleep mode 2 to standby mode is executed for the following:
• The power switch (soft switch ) in the control panel is ON.

4.5.3 Shift from Sleep Mode 2 to Sleep Mode 1

A shift from sleep mode 2 to sleep mode 1 is executed for the following:
• PDL data is received from the network or from the parallel port.
4.6 Turning Off the Power
The power is turned off when the main power switch is turned off. A shift from this state
may be made only by turning on the main power switch; the shift will be automatic and to
standby mode.