Detecting The Passage Of Paper - Canon iR4570 Series Service Manual

Chapter 9
the end of the ongoing last rotation.
2. If a jam has been removed, the machine starts cleaning at time of recovery, at 220 deg C and for 10 sec.

9.3.4 Detecting the Passage of Paper

9.3.4.1 Detecting the Passage of Paper
0006-6014
iR2270 / iR2870 / iR3570 / iR4570 / iR3530
The paper passage detection configuration in the fixing unit is shown below.
DC controller PCB
PS13
Fixing delivery sensor
F-9-4
When a delay jam of the fixing delivery sensor (PS13) occurs, the fixing motor is stopped immediately so as to
prevent paper from wrapping around the fixing roller.
The pressure of the fixing film and the pressure roller is released when a jam occurs so that jammed paper can be
taken out easily.
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