Controlling The Reciprocating Mechanisms Of The Thermistor - Canon iR5000i Service Manual

2.5 Controlling the Reciprocating Mechanisms of the Ther-
mistor
To prevent damage to the fixing upper roller by the main thermistor (TH1), the main ther-
mistor is moved back and forth over a distance of about 12 mm in the axial direction of the
fixing upper roller.
The drive comes from the web drive solenoid (SL9), and is sent to the reciprocating cam
by way of a one-way arm.
The control system of the thermistor reciprocating mechanism is constructed as follows:
Length of travel: 12 mm (approx.)
(rear)
Main thermistor
COPYRIGHT © 2001 CANON INC.
Cam
Fixing upper roller
F06-205-01
2000 2000 2000 2000 CANON iR5000i/iR6000i REV.0 JUNE 2001
CHAPTER 6 FIXING SYSTEM
(front)
One-way clutch
Web drive solenoid (SL2)
6-9 P