Off Mode; Shift From Standby Mode (Standby → Off Mode); Shift From Low-Power Mode (Low-Power → Off Mode); Return To Standby Mode (Off Mode → Standby) - Canon iR105 Service Manual

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CHAPTER 3 MAIN CONTROLLER

4.7 OFF Mode

In OFF mode, the +3.3V all-night power supply of the CPU itself is off, leaving a mini-

mum logic circuitry of the main controller PCB on.

This mode is used when the machine is configured as a copier without a network print op-

tion or a PDL print option.

4.7.1 Shift from Standby Mode (standby → OFF mode)

A shift from standby to OFF mode is made on the following condition:

• The control panel power mode (soft switch) is off.

• Standby mode has lasted for a specific period of time, i.e., a specific period of time as

selected in user mode.

4.7.2 Shift from Low-Power Mode (low-power → OFF mode)

A shift from low power mode to OFF mode is made on the following condition:

• The control panel power switch (soft switch) is off.

• Low power mode has lasted for a specific period of time, i.e., a specific period of time

as selected in user mode.

4.7.3 Return to Standby Mode (OFF mode → standby)

In OFF mode, a command from outside cannot cause a shift to standby; the control panel

power switch (soft switch) or the main power switch must be turned off and then on to re-

turn to standby mode.

The operation at time of return will be exactly the same as when the machine is first

In power supply OFF mode, the machine remains in a state exactly the same as when its

main power switch is off.

To return from power OFF mode, the main power switch must be turned on, in response

to which the machine will automatically enter standby mode.

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CANON iR105 REV.0 JULY 2001

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