Canon imageRUNNER C1335 Series Service Manual page 112

2
Technical Explanation > Fixing System > Controls > Down Sequence Control
Termination conditions:
• When the highest of the temperatures detected by the Sub Thermistor (Rear) (TH02)
and the Sub Thermistor (Front) (TH03) has become the specified temperature (150
deg C) or less.
• 30 seconds at maximum have elapsed since the preceding sheet passed the Fixing
Nip.
• When the difference between the highest of the temperatures detected by the Sub
Thermistor (Rear) (TH02) and the Sub Thermistor (Front) (TH03) and the temperature
detected by the Main Thermistor (TH01) has become the specified temperature (5 deg
C) or less.
2 Technical Explanation > Fixing System > Controls > Down Sequence Control
● Film unit engagement / disengagement control
The Fixing Film Unit is disengaged from the Pressure Roller under a specific conditionfor
the purpose of preventing deformation of the Fixing Film/Pressure Roller due to heat
and pressure when the drive of the Pressure Roller stops and improving a jam removal
processing.
Fixing Pressure Release
Sensor (PS13)
Pressure Release
Pressure Release
Gear
Pressure Plate
Fixing Film
M04
DC Controller PCB
(UN04)
Fixing Motor
Cam
Pressure Roller
Shaft
Pressure Release
Gear
Pressure Plate
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