Epson C 2900 Manual

7 - 20 Chapter 7   Wiring Diagrams and Signal Information
Epson AcuLaser C2900NRevision B
Confidential Signal line name Description
Y DISPENSE MOT A
Y DISPENSE MOT B
Y DISPENSE MOT XA
Y DISPENSE MOT XBDrive control signal of the DISPENSE MOTOR (Y)
M DISPENSE MOT A
M DISPENSE MOT B
M DISPENSE MOT XA
M DISPENSE MOT XBDrive control signal of the DISPENSE MOTOR (M)
C DISPENSE MOT A
C DISPENSE MOT B
C DISPENSE MOT XA
C DISPENSE MOT XBDrive control signal of the DISPENSE MOTOR (C)
K DISPENSE MOT A
K DISPENSE...

7 - 21 Chapter 7   Wiring Diagrams and Signal Information
Epson AcuLaser C2900NRevision B
Confidential
§ 8 FUSER UNIT
PWBA MCU
PL8.2.13
P/J17P/J171
5
4
SG
8
7
6
3
2
14
5 1
2
3
6
7
815
4 8
7
6
3
2
STS
3
1
N HEAT1
3
2
13
2
1 LINE VC
VD
SG
FUSING UNIT EXIT SENSED (L) +3.3VDC HARN ASSY FUSING UNIT MG SFP
PL6.1.2
HARN ASSY FUSING UNIT 
MG SFP
PL6.1.2 HARN ASSY LVPS 
MAIN MG SFP
PL9.1.3
HARN ASSY LVPS 
MAIN MG SFP
PL9.1.3SG
PULL UP +3.3VDC
FUSER UNIT
PL6.1.1
PWBA LVPS
PL8.2.1
LAMP
CONTROL
MOG07010SA...

7 - 22 Chapter 7   Wiring Diagrams and Signal Information
Epson AcuLaser C2900NRevision B
Confidential Signal line name Description
VC
VDTemperature data measured by Temp. Sensor for controlling 
temperature (analog value)
STSHeat Roll surface temperature data measured by Temp. Sen-
sor for detecting high temperature (analog value) 
FUSING UNIT EXIT SENSED (L)
 +3.3VDCPaper detect signal of the FUSING UNIT Exit by the Sensor 
Photo (EXIT SENSOR)
FUSER UNIT ON Lighting signal of FUSER UNIT Lamp
RELAY TEST...

7 - 23 Chapter 7   Wiring Diagrams and Signal Information
Epson AcuLaser C2900NRevision B
Confidential
§ 9 CONTROLLER
PWBA ESS
PL8.1.7
P/J101
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
P/J29
14
13
12
11
10
9
8
7
6
5
4
3
2
1
P/J401
1
2
3
4
P/J10
TEST PRINT HARNESS ASSY ESS MG SFP
PL9.1.1
HARN ASSY ESS VIDEO
PL9.1.2
HARN ASSY ESS POWER
PL9.1.10
HARNESS ASSY PNL A
PL1.2.12 SG
+3.3VDC
DEEP SLEEP
SG
STS
CMD
CREADY
SREADY
SG
VSYNC K
VSYNC C
VSYNC M
VSYNC Y
SG
HSYNC
SG
NC16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
17...

7 - 24 Chapter 7   Wiring Diagrams and Signal Information
Epson AcuLaser C2900NRevision B
Confidential Signal line name Description
TEST PRINT Control signal for the TEST PRINT mode
STS Status signal transmitted fro the PWBA MCU to the PWBA ESS
CMDCommand signal transmitted from the PWBA ESS to the
 PWBA MCU
CREADY
SREADYSignal for indicating weather or not the printer is ready for
 receiving command signal
VSYNC K
VSYNC C
VSYNC M
VSYNC YSignal for indicating registration position of each of images 
Y,...

7 - 25 Chapter 7   Wiring Diagrams and Signal Information
Epson AcuLaser C2900NRevision B
Confidential
§ 10 250 FEEDER
PWBA MCU
PL8.2.13
P/J27
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11 P/J273 HARN ASSY TRAY
PL12.3.23HARN ASSY OPTION
PL3.1.20
P/J419
10
9
8
7
6
5
4
3
2
1 1
2
3
4
5
6
7
8
9
101
2
3
4
5
6
7
8
9
10
3
4
5P/J421SG
SG
SG
I/L +24VDC
I/L +24VDC
+3.3VDC
TRY SNS
Rxd
TxdSG
PWBA FEED H
HARN ASSY TRAY COMP
PL12.2.20
HARN ASSY TRAY MOT
PL12.2.2HARN ASSY TRAY COMP
PL12.2.20 PL12.2.1
P/J422 P/J4221
1
2
3
46
5
4
3
5...

7 - 26 Chapter 7   Wiring Diagrams and Signal Information
Epson AcuLaser C2900NRevision B
Confidential Signal line name Description
TRY SNS
Rxd
TxdControl signal of the PWBA FEEDER
TURN CL ON (L) +24VDC ON/OFF signal of the TURN CLUTCH
FEED CL ON (L) +24VDC ON/OFF signal of the FEED CLUTCH
PAPER EMPTY SENSED (L)
 +3.3VDCPaper detect signal of the Feeder by the Sensor Photo
 (NO PAPER SENSOR)
FEED MOT ON/OFF
FEED MOT ALARM
FEED MOT CLK
FEED MOT CHANGEDrive control signal of the FEED MOTOR 

7 - 27 Chapter 7   Wiring Diagrams and Signal Information
Epson AcuLaser C2900NRevision B
Confidential
§ 11 DUPLEX
PWBA MCU
PL8.2.13
P/J27
B1
B2
B3
B4
B5
B6
B7
B8
B9P/J272HARN ASSY DUP RELAY
PL1.2.13 HARNESS ASSY DUP
PL11.1.14
Txd
Rxd Rxd
DUP-HOT
+3.3VDC
SG
I/L +24VDC
I/L +24VDC
SG
SG P/J601
9 10
8
7
6
5
4
3
2 10
9
8
7
6
5
4
3
21
2
3
4
5
6
7
8
9
P/J604
PWBA DUP
PL11.1.16
P/J602
4
3
2
1
DRIVE ASSY
EXIT
PL11.2.2
DUP UP_A
DUP UP_XA
DUP UP_B
DUP UP_XB
I/L +24VDC
DUP CL ON (L) +24VDC1
2
CLUTCH DUP
PL11.2.2...

7 - 28 Chapter 7   Wiring Diagrams and Signal Information
Epson AcuLaser C2900NRevision B
Confidential Signal line name Description
DUP-HOT
Txd
RxdControl signal of the PWBA DUP
DUP UP_A
DUP UP_XA
DUP UP_B
DUP UP_XBDrive control signal of the DUP MOTOR UP
DUP DOWN_A
DUP DOWN_XA
DUP DOWN_B
DUP DOWN_XBDrive control signal of the DUP MOTOR DOWN
DUP CL ON (L) +24VDC ON/OFF signal of the DUP CLUTCH
FA N  + 2 4V D C
FA N  A LA R MDrive control signal of the DUP FAN 

Confidential
CHAPTER
8
Product Specifications