Controlling The Reciprocating Mechanisms Of The Thermistor - Canon iR5000 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
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Cam
Fixing upper roller
F06-205-01
2000 2000 2000 2000 CANON iR5000/iR6000 REV.0 JULY 2000
CHAPTER 6 FIXING SYSTEM
(front)
One-way clutch
Web drive solenoid (SL2)
6-9 P