Controlling The Drive Of The Fixing Roller - Canon iR5000 Service Manual

CHAPTER 6 FIXING SYSTEM

2.2 Controlling the Drive of the Fixing Roller

The system used to control the fixing roller is constructed as follows:
J106
-A15
-A16
-A17
-A18
The system makes use of the following signals:
[1] Fixing motor drive signal; when '1', the motor turns on.
[2] Fixing motor drive lock signal; when the speed of rotation of the fixing motor reaches
a specific level, '0'.
E014 (fixing motor speed error)
It is indicated when the drive lock signal is absent for 2 sec or more 2 sec
after the fixing motor drive signal (M19ON) is generated.
6-6 P
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M19LD [2]
M19ON [1]
M19
5V
GND
J4005-1
24V
-2 GND
DC power supply PCB
F06-202-01
COPYRIGHT © 2000 CANON INC.
Fixing upper roller
Fixing motor
2000 2000 2000 2000 CANON iR5000/iR6000 REV.0 JULY 2000