Canon IR2800 Controlling the Power Supply, Power Supply Modes, Standby Mode normal operation

CHAPTER 2 MAIN CONTROLLER

4 Controlling the Power Supply

4.1 Outline

In addition to its control in response to the operation of the main power switch, the main controller PCB possesses the following control mechanisms in relation to the power supply:

•Standby mode (normal operation)

•Sleep mode 1

•Sleep mode 2

4.2 Power Supply Modes

The machine has the following modes for each of its power supply mechanisms; +3.3V all-night (3.3 VB), +3.3V non-all night (3.3 VA), +5V, and 24V:

Mode	+3.3V all night	+3.3V non-all night	+5V	+24V	LCD
Standby	Yes	Yes	Yes	Yes	Yes
Sleep mode 1	Yes	Yes	Yes	Yes	No
Sleep mode 2	Yes	No	No	No	No

T02-402-01

4.3 Standby Mode (normal operation)

In standby mode, the machine is in operation or is ready operate, and nearly all compo- nents are supplied with power; not only the main controller PCB, but also the reader unit, printer unit, and control panel are all ready for communication and control.

4.4 Sleep Mode 1

In sleep mode 1, only the LCD image desplay remains OFF.

COPYRIGHT © 2001 CANON INC. CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001 2-15 S