Xerox Phaser 3250 - Map 7 - LVPS, HVPS, Fuser, Developer Unit CRUM, and Power Switch

Phaser 3250 Laser Printer Service Manual 10-15
Plug/Jack and Wiring Diagrams
Map 7 - LVPS, HVPS, Fuser, Developer Unit CRUM, and Power Switch
Main Controller
Board
CN10
CN6
+24VDC
1
THER1
THER2
2
s3250-031
3
4
5
CN28
3
2
1
GND
PAPER_EXIT
+3.3VDC
Exit Sensor
CON3
CON1
LVPS (SMPS)
GND
GND
GND
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
+24VAC
+24VAC
GND
+24VAC
FUSER_ON
CON2 CN26
CN27
+24VDC
+24VDC
GND
+5VDC
GND
+5VDC
GND
+5VDC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CN4
CN8 CN29
CN1
HVPS
PWM_DEV_DC
GND
GND
nTHV_EN
14
13
12
11
10
9
8
7
6
5
4
3
2
1
PWM_MHV
PWM_MHV
THV_READ
PWM_THV
+24VDC
+24VDC
+5VDC
GND
GND
+24VDC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
4
3
2
1
DEV_DIO
DEV_CLK
GND
+3.3VDC
1
2
3
4
+5VDC
Power Switch
Fuser
2
1
Developer Unit
CRUM
THV
Supply
DEV
OPC
MHV