Service manual

Chapter 8
8-1
8.1 Construction
8.1.1 Specifications, Control Mechanisms, and Functions
0011-1113
iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i
T-8-1
Item Function/Method
Fixing method by fixing film + pressure roller
Fixing heater Unitary flat heater incorporating both main heater and sub heater
Fixing temperature detection [1] Main thermistor (TH1): Temperature control and fault detection
[2] Sub thermistor (TH2): Fault detection
[3] Thermo-switch (TP1): Fault detection
Fixing temperature control [1] Warm-up temperature control
[2] Normal temperature control
[3] Sheet-to-sheet temperature control
Protection functions [1] Detection of error in temperature control by thermistor
[2] Detection of temperature rise by thermo-switch
Fixing drive control Speed control by detecting fixing film rotation