Detecting The Level Of Paper - Canon iR7086 Series Service Manual

Chapter 8

8.6.4 Detecting the Level of Paper

iR7105 / iR7095 / iR7086
The machine indicates the level of paper inside the deck and the cassette in four readings (including No Paper) on the control panel.
Level of paper
100% to about 50% of capacity
about 50% to about 10% of capacity
about 10% of capacity or less
No paper
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.
Main controller PCB
8-20
Paper sensor
Lifter
F-8-25
T-8-15
DC controller PCB
F-8-26
Paper detecting lever
Indication on control panel
[2] [2]
[1] [1]
Paper level Paper level
(100% to (about 10%
about 50%)
or less)
[2]
[1]
Paper level
(about 50% to
about 10%)
0010-8211