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
T-8-1
[2]
[3]
F-8-1
[4]
Pressure roller
SR202
Fixing delivery sensor
M201
Fixing drive motor
Chapter 8
0017-5468
0017-5469
8-1