Fixing Film Unit Engagement/Disengagement Control - Canon imageRUNNER ADVANCE 715iF III Series Service Manual

Fixing Film
Drum
Startup conditions
This control is performed every time the paper is fed.
Operation
The Arch Sensor detects a paper arch between the transfer nip and fixing nip, and changes the drive speed of the Fixing Motor.
Related service mode
• Setting of the fixing speed when feeding envelopes
COPIER > OPTION > FEED-SW > EVLP-FS

Fixing Film Unit engagement/disengagement control

Control description
The Fixing Film Unit is disengaged from the Fixing Pressure Roller under a specific condition in order to prevent deformation of
the Fixing Film/Fixing Pressure Roller due to heat and pressure that arise when the drive of the Fixing Pressure Roller stops, and
to improve jam removability.
Pressure Roller
Arch Sensor Flag
PS4500
Transfer Roller
Registration Roller
60
2. Technology
Sensor ： OFF
Sensor ： ON