Minolta CF910 Service Manual page 89

When the Drawer is Slid in
Paper Lifting Arm
During a Copy Cycle
<Control>
Upper Drawer Lift-Up Motor
M6
Middle Drawer Lift-Up Motor
M7
Lower Drawer Lift-Up Motor
M8
Upper Drawer Lift-Up Sensor
PC9
Middle Drawer Lift-Up Sensor
PC10
Lower Drawer Lift-Up Sensor
PC11
PC9/10/11
4425M005AA
4425M006AA
4425M005AA
Control Signal
PWB-K PJ4K-1
PWB-K PJ4K-3
PWB-K PJ4K-5
Control Signal
PWB-K PJ8K-5A
PWB-K PJ8K-11A
PWB-K PJ8K-11B
M-72
The Paper Lifting Arm raises the paper stack.
The paper stack pushes the Paper
Take-Up Roll upward.
Upper/Middle/Lower Drawer Lift-Up Sensor
PC9/10/11 is blocked (L).
M6/7/8 is deenergized and the paper stack
lifting motion is completed.
Paper is consumed.
The Paper Take-Up Roll lowers to unblock (H)
PC9/10/11.
M6/7/8 is energized until PC9/10/11 is
blocked (L).
Repeating this operation keeps constant
pressure between the Paper Take-Up
Roll and paper.
Energized Deenergized Wiring Diagram
L
L
L
Blocked
L
L
L
H 8-B
H 8-B
H 8-B
Unblocked Wiring Diagram
H 9-E
H 9-E
H 8-E