Canon ImageRunner 600 Service Manual page 251

CHAPTER 7 PICK-UP/FEEDING SYSTEM
In the case of cassette 3/4, the resistance of the variable resistor operating in conjunction with
the movement of the lifter drive shaft is used to find out the level of paper.
Related Service Mode
COPIER>ADJUST>CST-ADJ>C3-LVOL
COPIER>ADJUST>CST-ADJ>C3-HVOL
COPIER>ADJUST>CST-ADJ>C4-LVOL
COPIER>ADJUST>CST-ADJ>C4-HVOL
Record the above readings on the service label.
7-12
COPYRIGHT © 1999 CANON INC.
DC controller PCB
Figure 7-212 Construction of the Mechanism
Paper level (much)
Paper level (little)
Reading when 50 sheets exit in the cassette 3
Reading when 275 sheets exist in the cassette 3
Reading when 50 sheets exist in the cassette 4
Reading when 275 sheets exist in the cassette 4
CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
Variable
resistor
Variable
resistor