Canon FINISHER - D1 Service Manual page 37

9. Inputs to and Outputs from the Finisher Controller PCB
Lower path paper sensor (S3)
5V
5V
COPYRIGHT © 1999 CANON INC.
5V
-3
J621-2 J17-2
-2
J621-3 J17-3
5V
-1
J621-4 J17-4
J621-1 J17-1 -4
Figure 2-111
CANON FINISHER - D1 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 2 OPERATIONS
Finisher controller PCB
-2
J120B-8
LWRPPCB
-3
J120B-7
LWRRLEDAJ
5V
-4
J120B-6
-1 J120B-9
When paper is in the path, '0'.
Voltage is used to switch the
light intensity. (analog signal)
2-11