Specifications

15-9. Main Tray Paper Stack Lifting/Lowering Mechanism/Control
◆ Main Tray Paper Stack Lifting/Lowering Mechanism
•
The Main Tray is raised and lowered by 3rd Drawer Elevator Motor M27.
When M27 turns forward or backward, the wires at the front and rear are
wound around, or fed off, the pulleys to raise or lower the Main Tray.
•
Detection of Main Tray at
its upper limit position
:
When the Main Tray is raised, the paper
stack on the tray presses upward the Paper
Take-Up Roll Assy which blocks 3rd Drawer
Lift-Up Sensor PC16 ( L ). The low signal
indicates that the Main Tray has reached its
upper limit position.
•
Detection of Main Tray at
its lower limit position
:
As the Main Tray is lowered, the light
blocking plate on the bottom of the tray
blocks 3rd Drawer Tray Lower Position
Sensor PC46 ( L ). The low signal indicates
that the Main Tray has reached its lower
limit position.
Shift Tray
Main Tray
Wire
3rd Drawer Elevator
Motor M27
Wire
3rd Drawer Tray Lower
Position Sensor PC46
Light Blocking
Plate
3rd Drawer Lift-Up
Sensor PC16
◆
3rd Drawer Elevator Motor M27 Control
•
M27, a DC motor, is energized to turn forward or backward and
deenergized by the M27 Control signals fed from Master Board PWB-A and
output through pins 59 and 60 of IC1F on Drawer S/P Board PWB-F.
Details are as follows.
M27 Main Tray
IC1F
59 60
Energized (forward) Up
L H
Energized (backward) Down
H L
Deenergized Stop
L L
M-110