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17
UF-7300/7200
UF-8300/8200
2.2.10. Solenoids Control Circuit
This machine has three solenoids: Pickup Solenoid, Registration solenoid and the Exit solenoid.
2.2.10.1. The Pickup Control Solenoid Drive Circuit
The Pickup Solenoid is used for picking up the paper from the paper tray. The CPU IC504 outputs high level
PUCTL signal from Pin41 to the transistor Q601. The transistor Q601 is turned On and supplies a current to
the Solenoid.
PUCTL signal from Pin41 to the transistor Q601. The transistor Q601 is turned On and supplies a current to
the Solenoid.
2.2.10.2. The Registration Solenoid Driver Circuit
The Registration Solenoid is used for controlling Registration Roller rotation. The CPU IC504 outputs high
level REGCTL signal from Pin42 to the transistor Q602. The transistor Q602 is turned On and supplies a
current to the Solenoid.
level REGCTL signal from Pin42 to the transistor Q602. The transistor Q602 is turned On and supplies a
current to the Solenoid.
IC504
1
2
41
Pickup Solenoid
PUCTL
SPC PC Board
+24VA
Q601
R603
D602
F600
CN731
GND(+24V)
GND(+24V)
R600
D600
R612
C600
+
(Engine CPU)
Registration
Solenoid
REGCTL
IC504
1
2
42
SPC PC Board
+24VA
Q602
R604
D603
F601
CN732
R601
D601
R613
C601
+
(Engine CPU)
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