Fans; Overview; 2-Speed Control - Canon iR4570 Series Service Manual

Chapter 10

10.3 Fans

10.3.1 Overview

iR2270 / iR2870 / iR3570 / iR4570
The names and the functions of the fans used in the machine are as follows:
Notation
FM1
FM2
FM2
F-10-2

10.3.2 2-Speed Control

iR2270 / iR2870 / iR3570 / iR4570
The rotation of the 2 fans used in the machine is controlled to 2 different speeds by the voltage switchover circuit of
the individual fans.
10-6
Name Filter
Heat discharge fan Present
(rear)
Heat discharge fan Present
(front)
FM1
T-10-3
2-speed Description
control
Used Cools the fixing assembly.
Used Cools the fixing assembly.
0006-5388
0006-5389