Canon imageRUNNER ADVANCE C5255 Series Service Manual page 121

2
Technology > Fixing System > Overview > Major parts configuration
Shutter
Fixing shutter HP
sensor (PS31)
Fixing cooling fan (rear)
Parts name
--- Film unit Applying heat and pressure makes the toner image on paper fixed
(fused).
--- Pressure roller
H1 Fixing heater Ceramic heater
TH1 Main thermistor 1 To be in contact with the heater
Temperature control, detection of abnormal temperature rise
Main thermistor 2 To be in contact with the film
Temperature control, detection of abnormal temperature rise
Sub thermistor 1 To be in contact with the heater (non-feeding area)
Temperature control, detection of abnormal temperature rise,
temperature detection / cooling control on the edge
Sub thermistor 2 To be in contact with the heater (non-feeding area)
Temperature control, detection of abnormal temperature rise,
temperature detection / cooling control on the edge
TP1 Temperature fuse Noncontact type with the heater
To block AC electric power supply when a failure is detected.
PS30 Fixing pressure sensor Detection of engagement / disengagement of the film unit
PS31 Shutter HP sensor Detection of shutter's home position
PS32 Shutter position sensor Detection of shutter's position
PS37 Internal delivery sensor Jam detection
2 Technology > Fixing System > Overview > Major parts configuration
Fixing cooling fan (front)
(FM5)
M27
Fixing shutter
motor
Fixing shutter position
sensor (PS32)
(FM6)
F-2-116
Function / method
T-2-49
2-83
2-83