10-2
Phaser 3450 Laser Printer Service Manual
Print Engine Interconnect Diagram
Use the following interconnect diagram to identify specific connectors (CN) within
the printer with respect to the main components.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
2
1
4
3
6
5
8
7
10
9
12
11
14
13
16
15
18
17
20
19
22
21
24
23
NC
24 V
DEV
_
PWM
24 V
MHV
_
PWM5
24 V
GND
GND
MHV
_
READ
GND
1THV
_
READ
3.3 V
THV
_
EN
13.3 V
THV
_
PWM
GND
24 VS
GND
VCC
VCC
NC
P
_
EXIT
P
_
DUPLEX
FUSER
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
0
1
2
1
2
24 V
24 VS
1
2
3
4
5
6
1
2
3
4
1
2
3
4
5
6
7
8
9
1
2
3
1
2
1
2
24 V
GND
VCC
GND
24 V
NC
GND
8
7
6
5
4
3
2
1
3.3 V
SCF
_
STS
SCF
_
GND
SCF
_
CLK
SCF
_
RDY
24 V
GND
GND
9
8
7
6
5
4
3
2
1
24 VS
24 VS
GND
GND
GND
VCC
/START
_
STOP
MOT
_
READY
MOT
_
CLK
4
3
2
1
PA
_
1
PA
_
2
PB
_
1
PB
_
2
6
5
4
3
2
1
VCC
3.3 V
PANEL
_
TX
PANEL
_
RX
PANEL
_
RST
GND
LSUCLK
/LREADY
/PMOTOR
GND
24 V
3.3 V
VDO–
VDO+
/LD_ON
GND
5 VS
/HSINK
1
2
3
4
5
7
6
5
4
3
2
1
12
11
10
9
8
7
6
5
4
3
2
1
GND
CART
_
CLK
CART
_
DATA
3.3 V
P
_
EMPTY
P
_
REGI
THERM 1
THERM 2
P
_
SIZE1
P
_
SIZE 2
P
_
SIZE 3
OUTBIN
_
FULL
1
2
3
4
5
6
7
8
8
7
6
5
4
3
2
1
24 VS
7MAIN
_
CLUT
MP
_
CLUT
REGI
_
CLUT
MP
_
EMPTY
3.3 V
CST
_
OUT
GND
1
2
3
4
P
_
SIZE 1
P
_
SIZE 2
P
_
SIZE 3
GND
1
2
3
4
GND
P
_
REGI
P
_
EMPTY
3.3 V
1
2
THERM 1
THERM 2
1
2
3
1
2
3
3.3 V
BIN
_
FULL
GND
VCC
SIGNAL
GND
1
2
3
1
2
3
4
5
6
7
8
MHV
NC
NC
OPC
_
GND
NC
SUPPLY
NC
DEV
3.3 V
SIGNAL
GND
1
2
1
2
3
1
2
3
1
2
1
2
1
2
3
24 V
NC
GND
24 V
GND
24 V
GND
5 V
SIGNAL
GND
1
2
3
NC
GND
CST
_
OUT
Output Full
Sensor
Thermistor
Paper Size
Board
CN-1
CN-3
CN-20
CN-4
CN-8
CN-11
CN-1
CN-15
CN-21
CN-17
CN-10
CN-12
CN-3
CN-8
CN-4
CN-4
CN-104
CN-2
CN-18
CN-1
1
2
3
4
5
6
24 V
24 V
24 VS
24 VS
GND
5 VS
CN-1
CN-2
CN-9
CN-14
CN-6
CN-1
CN-14
CN-10
CN-11
CN-13
SW-1
CN-9
CN-7
CN-2
Paper Out
Sensor
Fuser Exit
Sensor
Cartridge
Fuser Heat
Lamp
AC Input
Registration
Clutch
Erase
Lamp
Sub_Fan
Main_Fan
500 Sheet
Feeder
Main Drive
Motor
Exit Motor
Front
Panel
Cover Open
Board
Main Board
Power
Supply
Board
Print Cartridge
Interconnect
Board
Connector
Board
Laser
Laser
Diode
Polygon
Motor
Tray 2
Solenoid
Tray 1
Solenoid
Tray 1 Empty
Sensor
Tray 2 Out
Switch
R
egistration
Sensor
s3450-199
Cover
Interconnect
Board
Summary of Contents for 3450B - Phaser B/W Laser Printer
Page 1: ...Service Manual P h a s e r L a s e r P r i n t e r 3450...
Page 2: ......
Page 13: ...xii Phaser 3450 Laser Printer...
Page 19: ...xviii Phaser 3450 Laser Printer...
Page 28: ...General Information 1 9 Consumables 1 Print Cartridge 1 s3450 164...
Page 47: ...2 14 Phaser 3450 Laser Printer Service Manual...
Page 92: ...6 Chapter Adjustments and Calibrations In this chapter Margin Calibration Resetting NVRAM...
Page 97: ...7 4 Phaser 3450 Laser Printer Service Manual...
Page 143: ...8 46 Phaser 3450 Laser Printer Service Manual...
Page 175: ...10 6 Phaser 3450 Laser Printer Service Manual...
Page 179: ......
Page 180: ...071 0866 00...