Canon Shift Tray-D1, Руководство по обслуживанию

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Chapter 2
2-1
2.1 Basic Construction
2.1.1 Inputs to and Outputs from the Shift Tray Driver PCB
0009-3515
F-2-1
2.1.2 Outline of the Electrical Circuitry
0009-3516
The circuit shown below is used to drive the shift motor according to the shift control signal from the host machine
and also to send various sensor signals associated with the shift operation to the host machine.
F-2-2
+5V
HP sensor
(front)
PS101
J103
-6
-5
-4
J203
-1
-2
-3
J204
-1
-2
-3
J206
-1
-2
-3
J207
-1
-2
-3
J208
-1
-2
-3
STHPR
+5V
HP sensor
(rear)
PS102
J103
-3
-2
-1
STHPL
when tray is HP at front, '1'.
when tray is HP at rear, '1'.
+5V
Tray paper
sensor
PS103
J104
-6
-5
-4
SPEXIST*
J205
N.C. N.C.
-1
-2
-3
-4 -4
-3
-2
-1
when paper is present in tray, '0'.
+5V
+5V
Tray full sensor
(rear)
PS104
J104
-3
-2
-1
SPCFULL* when stack of sheets exceeds limit, '0'.
when stack of sheets exceeds limit, '0'.
tray moves to front when +24 V is applied to SDCM1
tray moves to rear when +24 V is applied to SDCM2
Tray full sensor
(front)
PS105
J106
-3
-2
-1
SPSFULL*
Shift motor
J105
-1
-2
SDCM1
SDCM2
M101
Shift tray driver PCB
Shift drive PCB
Motor drive
circuit
J102
J101 J201
J202
Motor drive
signal
Sensor signal
A24V
A5V
To host machine
To host machine
Sensor
Shift motor
M