Canon FINISHER - D1 Service Manual page 38

CHAPTER 2 OPERATIONS
10. Inputs to and Outputs from the Finisher Controller PCB
Tray B paper sensor (S4)
Paper surface
detection
Tray B
paper
24V
sensor
LED
Upper curl detection
24V
Paper
removal
detection
2-12
COPYRIGHT © 1999 CANON INC.
24V
J681-3 J34-3
-3
24V
J681-2 J34-2
-2
24V
J34-4
J681-4 -1
-4
-1 -1
-8
-7
Figure 2-112
CANON FINISHER - D1 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Finisher controller PCB
STKTRYPAP
J105A-2
-8
-7
J105A-3
STKPAPRMV
24V
-9 J105A-1
-6
J105A-4
-1
J108B-8 5V
-2
J108B-7
STKTRYLEDAJ
Either the paper upper
surface detection position or
the upper curl detection
position or both are blocked
by a stack, '0'.
When paper is removed from
the tray during stacking,'1'.
The light intensity is
switched according to
voltage.
(analog signal)