Xerox 7750DXF - Phaser Color Laser Printer - Page 454

11-38 Phaser 7750 Printer Service Manual
Staple Control
12.6
STAPLE HEAD HOME
SENSOR
DC COM
+5VDC
STAPLE READY
SENSOR
DC COM
+5VDC
LOW STAPLE
SENSOR
DC COM
+5VDC
2 3 4
12.11B 12.11B 12.11B
12.9
12.8 STAPLE CONTROL
FINISHER PWB PL17.13
INTLK ON
+24VDC
RT2
t 9
2
7 8 9
10
1 5
DC COM
DC COM
DC COM
+5VDC
+5VDC
J847
ORN ORN
BLU BLU
YEL YEL
J852
J886
DC330 [12-020] (CLOSE)
STAPLE MOTOR CLOSE (H) +24VDC
OPEN (L) +24VDC
DC330 [12-020] (CLOSE)
STAPLE MOTOR CLOSE (H) +24VDC
OPEN (L) +24VDC
DC330 [12-021] (OPEN)
STAPLE MOTOR CLOSE (H) +24VDC
OPEN (L) +24VDC
DC330 [12-021] (OPEN)
STAPLE MOTOR CLOSE (H) +24VDC
OPEN (L) +24VDC
1
3
3 3
1
GND
GRN
J887
STAPLE HEAD ASSY PL17.9
STAPLE MOTOR
MOT
1 2 3 4 5 1
COMPILED SET
STAPLE
MOTOR
DC330 [12-207]
STAPLE HEAD HOME SENSOR
HOME SENSED (L) +5VDC
J886
J852
YEL YEL YEL
DC330 [12-209]
STAPLE READY SENSOR
READY (L) +5VDC
DC330 [12-208]
LOW STAPLE
SENSED (H) +5VDC
2 3 4
+5VDC +5VDC +5VDC
FINISHER PWB PL17.13
STAPLED
SET
STAPLE HEAD HOME
SENSOR
SENSED SIGNAL
STAPLE READY SENSOR
SENSED SIGNAL
LOW STAPLE SENSOR
SENSED SIGNAL
7750-334
DC330 [12-021] doesn’t operate with Staple Head Home Sensor on.
When an overcurrent flows, the thermistor has the internal resistance increase to protect the circuit.
Virtual Line
NOTES:
1 2 3