10-50 Phaser 6180 Color Laser Printer Service Manual
Plug/Jack and Wiring Diagrams
Optional 550-Sheet Feeder Wiring Diagram
MCU Board
PL9.1.20
P/J27
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
P/J273
Feeder Unit Harness
PL12.2.3
P/J419
10
9
8
7
6
5
4
3
2
1
10
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
10
3
4
5
P/J421
6
7
8
9
SG
SG
SG
I/L +24VDC
I/L +24VDC
+3.3VDC
Rxd
Txd
SG
Optional Feeder 
Board
PL12.2.6
Tray 3 Turn Harness
PL12.2.8
Tray 3 Motor Harness
PL12.2.9
Tray 3 Chute Harness
PL12.2.7 
P/J422 P/J4222
P/J4221
1
2
3
4
4
3
2
1
5
6
2
1
Optional 
Feeder Drive
PL12.2.10 
M
P/J42121
3
2
1
PULL UP +3.3VDC
SG
PAPER EMPTY SENSED (L) +3.3VDC
P/J4211
4
3
2
PAPER SIZE SW 3 ON (L) +3.3VDC
PAPER SIZE SW 2 ON (L) +3.3VDC
PAPER SIZE SW 1 ON (L) +3.3VDC
SG
FEED MOT ON
FEED MOT ALARM
FEED MOT CLK
FEED MOT LOW
SG
I/L +24VDC
1
Optional Size Switch
PL12.2.5 
P/J4212
3
2
1
1
2
3
I/L +24VDC
TURN CL ON (L) +24VDC
P/J4201P/J420
3
1
1
3
1
3
Turn Clutch
PL12.1.5 
Feed Clutch
PL12.1.6 
I/L +24VDC
FEED CL ON (L) +24VDC
P/J4213
2
1
1
2
1
2
s6180-434
Interlock 
+24VDC
Interlock 
+24VDC
Interlock 
+24VDC
Interlock 
+24VDC
+3.3VDC
Interlock 
+24VDC
+3.3VDC
+3.3VDC
*CN2
*CN1
* The CN1 and CN2 are 
printed on the board.
Tray 3 No Paper 
(Photo) Sensor
PL12.3.14
TRAY SEN