Residual Jam At Startup - Canon MF4100 Series Service Manual

Chapter 7

7.3.4.3 Residual Jam at Startup

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i-SENSYS MF4150 / i-SENSYS MF4140 / i-SENSYS MF4120 /
If either the leading edge sensor (PS801) or the paper width sensor (PS802) detects a paper at the start of initial rotation, CPU judges as the residual jam at startup.
When there is paper in inside the machine, the leading edge sensor flag is pushed up with paper, and paper having is judged.
Paper
PS802
PS801
PS802
PS801
F-7-3
7-4