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H. Inputs to and Outputs from the 2-Cassette Unit Driver PCB
1. Inputs to and Outputs from the 2-Cassette Unit Driver PCB (1/2)
Figure 2-112
COPYRIGHT
©
1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 2 BASIC OPERATION
2-12
5V
J110
-1
-3
-2
J110
-4
-6
-5
PS1cu
C2UPD
Cassette 2
vertical path
sensor
5V
PS2cu
CS2PD*
Cassette 2
sensor
When PS1cu detects paper, '1'.
(when light-blocking plate is at
PS1cu, '1')
When paper is present in cassette, '0'.
(when light-blocking plate is not at
PS2cu, '0')
5V
J120
-13
-15
-14
J120
-10
-12
-11
PS3cu
C3VPD
Cassette 3
vertical path
sensor
5V
PS4cu
CS3PD*
Cassette 3
paper sensor
When PS3cu detects paper, '1'.
(when light-blocking plate is at PS3cu, '1')
When paper is present in cassette, '0'.
(when light-blocking pale
is not at PS4cu, '0')
5V
J120
-1
-3
-2
PS5cu
CRDOP*
Cassette right
door
open/closed
sensor
When right door is opens, '0'.
(when light-blocking plate
is not at PScu, '0')
Cassette driver PCB
DC controller PCB
J651
-6
-5
-4
-3
-2
-1
J110
-7
-8
-9
-10
-11
-12
CS2
C2SZ_1
C2SZ_2
C2SZ_3
C2SZ_4
Cassette 2 size
detection
See p. 5-8.
J651
-6
-5
-4
-3
-2
-1
J120
-4
-5
-6
-7
-8
-9
CS3
C3SZ_1
C3SZ_2
C3SZ_3
C3SZ_4
Cassette 3 size
detection
See p. 5-8.