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

4.5 Low Power Mode

In low power mode, the fixing assembly temperature is kept low (140°C for 200V model,
198°C for 208V/230V model), and the power consumed by the reader unit and the printer
unit is lowered to reduce the total power consumption for the machine.
4.5.1 Shift from Standby Mode (standby → low power)
A shift from standby mode to low power mode is made for the following:
• Standby mode has continued for a specific period of time, i.e., a specific period of time
as may be selected in user mode.
4.5.2 Shift to Standby Mode (low power → standby)
A shift from low power mode to standby mode is made on the following condition:
• The control panel power switch (soft switch) is turned on.
• PDL data has been received from the network (parallel port); in terms of electrical
mechanisms, the control panel is OFF as in standby mode.

4.6 Sleep Mode

In sleep mode, only the +3.3V all-night (3.3 VB) power supply is ON. In this mode, the
CPU on the main controller PCB is also at rest (in wait for an interrupt and not running the
program) to reduce power consumption.
This mode is used only when the machine is configured as a printer equipped with a net-
work print option and a PDL print option.
4.6.1 Shift from Standby Mode (standby → sleep)
A shift from standby mode to sleep mode is made on the following condition:
• The control panel power switch (soft switch) is off.
• Standby mode has lasted for a specific period of time, i.e., a specific period of time as
may be selected in user mode.
4.6.2 Shift from Low-Power Mode (low power → sleep)
A shift from low power mode to sleep 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.
4.6.3 Return to Standby Mode (sleep → standby)
A shift from sleep mode to standby mode is made on the following condition:
• The control panel power switch (soft switch) is on.
• PDL data has been received from the network (parallel port); in electrical terms, the
control panel is off as in standby mode.
COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON iR105 REV.0 JULY 2001
CHAPTER 3 MAIN CONTROLLER
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