C. Inputs to the DADF Controller PCB
1. Inputs to the DADF Controller PCB (1/2)
DADF switch
MS1
Upper cover switch
MS2
Original tray
paper sensor
S1
Registration
paper sensor
LED3
S3
Upper cover
sensor
S4
Pick-up roller sensor
S5
Delivery sensor 1
S6
Pick-up sensor
S7
COPYRIGHT © 1998 CANON INC.
COM
J2-3
NO
-4
COM
J3-
1-2
NO
J203
J5-7
J205
J9-B10
2
3
1
4
-B9
J212
-B12
2
1
1
2
-B11
3
J9-B6
1
-B8
2
-B7
J5-3
3
1
2
J207
J9-A1
3
1
3
1
3
1
-A3
2
2
2
-A2
J208
J9-A4
3
1
3
-A6
1
3
1
-A5
2
2
2
Figure 2-103
CANON DADF-A1 REV.0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 2 BASIC OPERATION
DADF controller PCB
+24V
When the RDF is open, '0'.
RFC
When the upper cover is open, '0'.
UPCC1
+5V
-8
When an original blocks the sensor, '1'.
EMPS
-9
+5V
ENTS
When an original blocks the sensor, '1'.
+5V
When the upper cover is open, '0'.
CVRSW
(The light-blocking plate is at the sensor.)
+5V
When the pick-u roller is
-1
DCTS
at the home position, '1'.
-2
(The light-blocking plate is at the sensor.)
+5V
When an original is detected, '1'.
EJTS1
(The light-blocking plate is at the sensor.)
+5V
When an original is detected, '1'.
SPRS
(The light-blocking plate is at the sensor.)
2-3