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G. Inputs to and Outputs from the 1-Cassette Unit Driver PCB
1. Inputs to and Outputs from the 1-Cassette Unit Driver PCB (1/1)
Figure 2-111
COPYRIGHT
©
1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 2 BASIC OPERATION
2-11
5V
J110
-1
-3
-2
J110
-4
-6
-5
PS1cu
C2VPD
Cassette 2
vertical path
sensor
5V
PS2cu
C2PD
Cassette 2
paper sensor
When PS1 detects paper, '1'.
(when the light-blocking plate
is at PS1cu, '1')
When paper is present in
cassette, '0'.
(when light-blocking plate
is not at PS2cu, '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.
CMA
CMA*
CMB
CMB*
J114
-1
-2
-3
-4
-5
-6
Cassette
unit motor
While M1cu is rotating,
alternates between '1' and
'0'. (pulse signal)
When '0', pick-up clutch turns on.
(pick-up roller rotates)
C2PUCLD*
CL1cu
M1cu
+24V
+24V
+24V
J115
-1
-2
Cassette 2
pick-up clutch