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COPYRIGHT
©
1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
7-11
CHAPTER 7 PICK-UP/FEEDING SYSTEM
b. Operation
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. (See 3. "Detecting the Presence/Absence
of Paper.")
Figure 7-211 Construction of the Mechanism
Table 7-204 Combinations of Sensor States
DC controller PCB
Paper level
(100% to
about 50%)
Paper level
(about 50%
to about 10%)
Paper level
(about 10%
or less)
[1]
[2] [2] [2]
[1] [1]
Sensor
(PS32)
ON
ON
ON
OFF
Sensor
(PS22)
ON
ON
ON
OFF
[1]
Sensor
(PS51)
ON
OFF
OFF
OFF
Paper level
100% to about 50%
About 50% to about 10
About 10% or less
None
[2]
Sensor
(PS52)
ON
ON
OFF
OFF
[1]
Sensor
(PS54)
ON
OFF
OFF
OFF
[2]
Sensor
(PS55)
ON
ON
OFF
OFF
Deck right Deck left