12-11.Shifter Drive Mechanism - Minolta Di 620 Manual

115SBM1211A
12-11. Shifter Drive Mechanism
The Shifter is driven by 3rd Drawer Shift Motor via a belt. As the 3rd Drawer Shift
Motor is energized, the Shifter transfers the paper stack on the Shift Tray to the
Main Tray.
The Shifter is at its home position when 3rd Drawer Shifter Home Position Sen-
sor is blocked (
Tray.
The return position of the Shifter is where the light blocking plate (*1) on the bot-
tom of the Shifter blocks (
Drawer Shifter Return Position Sensor. This is when the Shifter has just trans-
ferred the paper stack onto the Main Tray.
(*1): The light blocking plate is shaped as shown below (having a cutout in it). As
it moves past the 3rd Drawer Shifter Return Position Sensor, it produces the
sensor outputs as shown.
Shifter
Paper Stack
3rd Drawer Shifter Home
Position Sensor (PC22)
Shifter
3rd Drawer Shift Motor (M29)
CONTROL SIGNAL
M29
CONTROL SIGNAL UNBLOCKED
PC22
PC23
). This is before the Shifter moves the paper stack to the Main
L
), unblocks (
L
Light Blocking Plate
FORWARD
PJ2H-4,5B
PJ2H-8A
PJ2H-7A
M-83
), and then blocks (
H
4425M103AA
3rd Drawer Shifter Return
Position Sensor (PC23)
1075M112AA
BACKWARD
L H
BLOCKED
H L
H L
) again 3rd
L
Shift Gate
Main Tray
WIRING DIAGRAM
H~I-25~26
WIRING DIAGRAM
G-25
F~G-25