Construction; Specifications, Control Mechanisms, And Functions; Major Components - Canon iR2422 series Service Manual

8.1 Construction

8.1.1 Specifications, Control Mechanisms, and Functions

Item
Fixing method
Fixing heater
Fixing temperature detection
Fixing temperature control
Protection functions
Fixing drive control

8.1.2 Major Components

[1]
[2]
[3]
Function/Method
by fixing film + pressure roller
Unitary flat heater incorporating both main heater and sub heater
[1] Main thermistor (TH1): Temperature control and fault detection
[2] Sub thermistor (TH2): Fault detection
[3] Thermo-switch (TP1): Fault detection
[1] Warm-up temperature control
[2] Normal temperature control
[3] Sheet-to-sheet temperature control
[1] Detection of error in temperature control by thermistor
[2] Detection of temperature rise by thermo-switch
Speed control by detecting fixing film rotation
[1]
M201
SR202
[4]
Inner delivery roller
Fixing film speed sensor
Fixing film unit
[2]
[3]
F-8-1
[4] Pressure roller
SR202 Fixing delivery sensor
M201 Fixing drive motor
Chapter 8
0020-4139
0020-4140
8-1