Detecting The Level Of Paper - Canon ImageRunner iR8500 Series Service Manual

Chapter 9

9.6.4 Detecting the Level of Paper

iR105i/iR105+ / iR9070 / iR85+ / iR8070
The machine indicates the level of paper inside the deck and the cassette in four readings (including No Paper) on the control panel.
3 bars
2 bars
1 bar
No bar
In the case of the deck right/left, two sensors are used to detect the position of the deck, and combinations of the states of the sensors (on/off) are used to
find out the level of paper.
For the absence of paper, an exclusive sensor is used.
9-32
Paper sensor
Lifter
100% to about 50% of capacity
about 50% to about 10% of capacity
about 10% of capacity or less
No paper
Paper detecting lever
F-9-36
F-9-37
T-9-25
0007-0218