Backup Battery - Canon iR4570 Series Service Manual

of the all-night power supply PCB is likely to have blown.)
For other cases than above, the protection circuit can be reset by turning off the main power switch of the printer unit,
removing the cause triggering the protection circuit, leaving the printer unit alone for more than 3 min, and tuning
on the power again.

10.4.4 Backup Battery

10.4.4.1 Backup Battery
iR2270 / iR2870 / iR3570 / iR4570 / iR3530
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
iR2270 / iR2870 / iR3570 / iR4570 / iR3530
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
T-10-12
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
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