14-3.Manual Feed Paper Empty Detection Mechanism; 14-4.Manual Feed Take Up Control - Minolta Di450 Service Manual

14-3. Manual Feed Paper Empty Detection Mechanism
The Multi/Manual Bypass Paper Empty Sensor detects a sheet of paper on the Multi/Man-
ual Bypass Table.
Manual Feed Paper Empty Sensor
PC18
When Paper is Placed
PC18
14-4. Manual Feed Take Up Control
(SL1: Manual Feed Paper Pick-Up Solenoid)
Start Key
Manual Feed Paper Empty Sensor
PC18
SL1 DOWN SL1
SL1 UP SL1
SL1 Pressed
Upper Vertical Transport / Manual
Feed Motor M6
Transport Roller Sensor
PC2
Transport Roller Motor
M8
Synchronizing Roller Sensor
PC1
M6
SL5 Down
SL5 UP
1154M065AA
CONTROL SIGNAL
PWB-A PJ2A-3
1st sheet of paper Tak-Up start
ON
OFF
H
L
H
L
H
L
Pressed
Retracted
ON
OFF
H
L
ON
OFF
H
L
CONTROL SIGNAL
PWB-A PJ5A-7A~9A
PWB-A PJ2A-5
PWB-A PJ2A-6
M-60
When No Paper is Placed
Blocked Unblocked WIRING DIAGRAM
L H
2nd sheet of paper Tak-Up start
ON OFF
Pulse Output
L H
L H
1154M064AA
24 - I
4002M597CA
WIRING DIAGRAM
7 - C
24 - I
24 - I