Backup Battery; Energy-Saving Function - Canon imageRUNNER 2270 Service Manual

10.4.4 Backup Battery

10.4.4.1 Backup Battery

The controller PCB and the DC 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.
Controller PCB
DC 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.

10.4.5 Energy-Saving Function

10.4.5.1 Overview
1. Standby Mode
When the machine is in standby mode, all its power supplies are provided with power, and
the machine is ready for immediate operation.
2. Sleep Mode
2-1. Sleep 1
When the machine is in sleep mode 1, its control panel remains off, and the polygon motor
(M1) will not rotate even when any of the control panel keys is pressed. In this mode, the
machine is provided with power as in standby mode.
T-10-11
manganese dioxide lithium battery (3 V, 1000 mAh)
lithium battery (3 V, 600 mAh)
DC controller PCB: 7 yr or less
Controller PCB: 8.8 yr or more
(with the power plug disconnected)
The batteries cannot be replaced on their own in the field.
Chapter 10
0008-0861
0006-5741
10-17