Backup Battery; Energy-Saving Function; Outline - Canon ImageRunner iR8500 Series Service Manual

Chapter 11
Detection by
Overcurrent detection
circuit B

11.4.3 Backup Battery

11.4.3.1 Backup Battery

iR105i/iR105+ / iR9070 / iR8070
The Main controller PCB, the DC controller PCB and the Reader controller PCB are equipped with a lithium battery (1 pc. each) to serve as a source of
power, backing up various data in the even of power failure.
Main controller PCB
DC controller PCB
Reader controller PCB
Life
Replacement
Be sure to exercise care whenever you have to replace the battery. In certain cases, it may explode.
Do not use a battery which is not of a type specifically indicated (same name, or equivalent).
Dispose of any used battery according to the instructions of its manufacturer.

11.4.4 Energy-Saving Function

11.4.4.1 Outline

iR105i/iR105+ / iR9070
1. Standby mode
The machine in this mode is either in operation or in the state that it can start operation at anytime, and all of the power supplies are turned on.
2. Power-saving mode
Depending on the setting rate of power-saving (which can be changed by operating "Energy Saver Mode" in User mode, 10% by default), the machine in
this mode lowers the controlled temperature of the fixing assembly on standby, and that leads to reduce the power consumption.
Shifting condition from standby mode (Standby -> Power-saving)
- When pushing down the power-saving key.
Returning condition to standby mode (Power-saving -> Standby)
- When pushing down the power-saving key.
- When the power switch of the control panel is turned on.
3. Low-power mode
The machine in this mode is in the state that the temperature of the fixing assembly is lowered (140 deg. C), and that leads to reduce the power consumption
of the reader/printer assembly.
Shifting condition from standby mode/power-saving mode (Standby -> Low-power)
- When a specific period of time (which can be changed by operating " Low-power Mode Time" in User mode, 15 min. by default) has passed after the
state of standby/power-saving mode continued for a certain period of time.
Returning condition to standby mode (Low-power -> Standby)
- When pushing down the power-saving key.
- When the power switch of the control panel is turned on.
MEMO:
When "Low-power Mode Time" has the same setting value with "Auto Sleep Time" and the setting time has passed on standby, the machine will shift to
sleep mode (not to low-power mode).
4. Sleep mode
The machine has two types of sleep mode, one is "Sleep mode 1"; the power consumption in this mode is high, and the other is "Sleep mode 3"; the power
11-16
Machine operation Resetting
Stops output [2] from the Remove the cause, and turn off and then on the
DC power supply PCB. control panel power switch.
T-11-19
manganese dioxide lithium battery (3 V, 1000 mAh)
lithium battery (3 V, 600 mAh)
lithium battery
Main controller PCB: 8.8 year or more
DC controller PCB: 5 year or less
Reader controller PCB: 5 year or less
The batteries cannot be replaced on their own in the field.
0007-0811
0008-9498