Construction; Specifications, Control Mechanisms, And Functions; Outline - Canon ImageRUNNER 1022iF Service Manual

8.1 Construction

8.1.1 Specifications, Control Mechanisms, and Functions

/ / / / iR1018 / iR1018J / / iR1022A / iR1022F / iR1022i / iR1022iF /
Item
Fixing method
Fixing heater
Fixing temperature detection
Fixing temperature control
Protection functions

8.1.2 Outline

/ / / / iR1018 / iR1018J / / iR1022A / iR1022F / iR1022i / iR1022iF /
The fixing unit employing the on-demand fixing method consists of a fixing film unit (incorporating a fixing heater, thermistor, and temperature huse), a pressure
roller, and a delivery roller.
The fixing pressure roller and the delivery roller are driven by the main motor (M1). The paper separated from the photosensitive drum is moved to the inside of
the fixing assembly; the paper is then moved outside it after the toner is fused to the paper by the work
of the fixing film and the fixing pressure roller.
The delivery sensor (SR5) is used to detect paper coming out of the fixing assembly.
Delivery sensor (SR5)
Fixing pressure
roller
Fixing inlet guide
Fixing pressure roller
T-8-1
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] Temperature-switch (TP): 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 temperature huse
F-8-1
Fixing heater (H1)
Temperature fuse (TP)
Fixing film
F-8-2
Delivery roller
Fixing film
Sub thermistor (TH2)
Main thermistor (TH1)
Chapter 8
Fixing heater
0013-1115
0013-1116
8-1