Epson M2000 Service Manual

							EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN
Revision B
MAINTENANCE     
Cleaning
152
†
Charging wireSlide the green tab of the photoconductor unit from side to side several times. When finished, put the tab back into place.
Figure 6-3.  Cleaning the Charging Wire
†
Paper feed roller & Separation roller (Standard cassette)While rotating the roller manually, wipe its rubber surface with a cloth wrung out of water. 
Figure 6-4.  Cleaning Paper Feed Roller & Separation Roller
†
Paper feed roller & Separation roller (MP tray)Clean the surface of the roller located at the position shown below using a cloth wrung out of water.
Figure 6-5.  Cleaning Paper Feed Roller & Separation Roller 
						

							EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN
Revision B
MAINTENANCE     
Cleaning
153
OPTIONAL CASSETTE UNIT†
Paper feed roller & Separation roller (Optional cassette unit)While rotating the roller manually, wipe its rubber surface with a cloth wrung out of water. 
Figure 6-6.  Cleaning Paper Feed Roller & Separation Roller 
						

							CHAPTER
7
APPENDIX 
						

							EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN
Revision B
APPENDIX     
Connection Summary
155
7.1  Connection Summary7.1.1  Connection Diagram
YC102
YC105YC104
YC103
YC202YC203
YC201
YC101
PF paper feedmotor
AC input
LN1313
YC-T
YC-M
FEDDRN
76543217654321
Drum
Transfer roller
+24V1SGNDFANTHERM+3.3V1HEATNSLEEPZCROSS+24V2+24V2PGNDPGND
YC-BDeveloping roller
123456789101112
123456789101112
SW1
+24V2+24V1
+24V2
+24V3
During sleep modeDC3.3V power is OFFDuring sleep mode,DC24V power is OFF
+24V3PGNDMMOTRDYNMOTCLKREMOTEN
123456
123
123
123
123
123
321
321
456
+24V3DLPDRN
+24V3
+24V3
REGDRN
+3.3V1RFCLKRFDATASGND
FAN+24V1
Left cooling fan motor
Power supply switch
Interlock switch
+24V3PGNDPFSI PFSOPFSEL+3.3V1
123456
123
123
123
45
12345
123
321
321
4
1234
12
1212
34
1234
1234
5
12345
12345
6
EXITNSGND+3.3V2
+3.3V1TEMPTYSGND
12
+24V1+3.3V1ZCROSSFA NHEATNSLEEP MHVDRRTHVDRPSEL1HVCLKREGNTCNTMCNTTHVDRCASETHERM+24V3SGND
1212
1212
121212
LNLN
DC-DC converter
Expansion DIMM slot
+24V 
+3.3V1
+24V3MPFDRN
+3.3V1
+3.3V2
Main Board Assy .
Registration sensor
Paper sensor
MP paper sensor
Registration clutch
Duplex solenoid
Paper feed clutch
Developing clutch
HVPS unit
Lower voltage power supply unit
Main motor
MP paper feed solenoid
Fusing thermistor
Fusing thermal cut-out
To n e rsensor
PF main board
PF cassette switchPF paper sensor
Eraser lamp
+24V2+24V2PGNDPGND
654321654321
1234512345
1234512345
PF paper feed clutch
Exsit sensor
YC818
YC819YC816
YC701
YC1
YC1
YC3
YC814
YC805CN1
YC801
YC815
YC807
YC809YC813YC811
YC806
YC808
YC817
YC804
CN405
The first optional cassette unitPF paper conveying clutchPolygon motor
APC board
PD board
Laser scanner unit
123123
123
PF paper feedsensor
1234
1234
DUDR1COMMONDUDR2
123
123
123123
123123
+24V3
+3.3V2GNDHANDSN
PGNDPLGDRNPLGRDY PLGCLKPDNSGNDVDONVDOP OUTPENSAMPLEN
PDN
PFEEDGND+3.3V1+24V3PGNDTMOTLOCKTMOTCLKTMOTDRVN
SGNDNC+3,3V1
+3.3V1
5432154321
ERASERFEEDCLN+24V3
+24V3TRANSCLN
ERASRW
1234567
1234567
+24V3PGNDPFSI PFSOPFSEL+3.3V1
+24V1FAN
123456789101112131415161718
123456789101112131415161718
12341234
123412121234
181716151413121110987654321
181716151413121110987654321
123456789101112123456789101112
4321
2134
2121
2121
2121
1234567812345678
Zener board
Fuse
YC5YC6YC2
YC7YC4
Cassette switch
+3.3V2GNDPAPE R
Right cooling fan motor
The second optional cassette unit
LED2GND
LED5SW0
LED1LED3LED4LED0SW1SW2+3.3V123456789101112
123456789101112
CN1
891011
91112
76543218910117654321
891011765432187654321
Control Panel Board 
						

							EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN
Revision B
APPENDIX     
Connection Summary
156
7.1.2  Board Connection SummaryLVPS UNIT
Figure 7-1.  Board Diagram
Connector No.
Destination
Pin No.
Signal Name
I/O
Measured Voltage
Function
YC101
AC inlet
1
LIVE
I
AC100V
AC power source
2
NEUTRAL
I
AC100V
AC power source
YC102
Fuser heater lamp
1
HEATER COM
O
AC100V
Fuser heater lamp output
2
N.C.
-
-
Not used
3
HEATER LIVE
O
AC100V
Fuser heater lamp output
YC103
HVPS unit
1
+24V1
O
DC24V
DC24V power source
2
SGND
-
-
Ground
3
FAN
I
DC0V/24V
Left cooling fan motor: On/Off
4
THERM
O
Analog
Fuser thermistor detection voltage
5
+3.3V
I
DC3.3V
DC3.3V power source
6
HEATN
I
DC0V/3.3V
Fuser heater lamp: On/Off
7
SLEEP
I
DC0V/3.3V
Sleep mode signal: On/Off
8
ZCROSS
O
DC0V/3.3V (pulse)
Zero cross signal
9
+24V2
O
DC24V
DC24V power source via the interlock switch
YC101
YC103
YC104
YC105
YC102 
						

							EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN
Revision B
APPENDIX     
Connection Summary
157
YC103
HVPS unit
10
+24V2
O
DC24V
DC24V power source via the interlock switch
11
PGND
-
-
Ground
12
PGND
-
-
Ground
YC104
Left cooling fan motor
1
+24V1
O
DC24V
DC24V power source
2
FAN
O
DC0V/24V
Left cooling fan motor: On/Off
YC105
Fuser thermistor
1
+3.3V1
O
DC3.3V
DC3.3V power source
2
THERM
I
Analog
Fuser thermistor detection voltage
Connector No.
Destination
Pin No.
Signal Name
I/O
Measured Voltage
Function 
						

							EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN
Revision B
APPENDIX     
Connection Summary
158
MAIN BOARD ASSY.
Figure 7-2.  Board Diagram
YC819
YC806
YC809YC808
YC805YC813
YC811
U800
YC818
YC801YC804YC814YC815
CN405
1111
1
111
11 91
556
413361
2
2
313
CN901
CN701
CN402 
(Network model)
YC807
5
1
1
3
CN201
YC817
YC816
11
2
3 
						

							EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN
Revision B
APPENDIX     
Connection Summary
159
Connector No.
Destination
Pin No.
Signal Name
I/O
Measured Voltage
Function
CN405
Control panel board
1
+3.3V
O
DC3.3V
DC3.3V power source
2
SW2
I
Analog
Job Cancel button: On/Off
3
SW1
I
Analog
Information button: On/Off
4
LED0
O
DC3.3V/0V
Ready LED: On/Off
5
LED4
O
DC3.3V/0V
Toner LED: On/Off
6
LED3
O
DC3.3V/0V
Memory LED: On/Off
7
LED1
O
DC3.3V/0V
Data LED: On/Off
8
LED2
O
DC3.3V/0V
Error LED: On/Off
9
GND
-
-
Ground
10
LED5
O
DC3.3V/0V
Paper LED: On/Off
11
SW0
I
Analog
Start/ Stop button: On/Off
YC804
MP paper sensor
1
+3.3V2
O
DC3.3V
DC3.3V power source
2
SGND
-
-
Ground
3
HANDSN
I
DC0V/3.3V
MP paper sensor: On/Off
YC805
Main motor
1
+24V3
O
DC24V
DC24V power source
2
PGND
-
-
Ground
3
MMOTRDYN
I
DC0V/3.3V
Main motor ready signal
4
MMOTCLK
O
DC0V/3.3V (pulse)
Main motor clock signal
5
REMOTEN
O
DC0V/3.3V
Main motor: On/Off
YC806
Paper sensor
1
SGND
-
-
Ground
2
+3.3V2
O
DC3.3V
DC3.3V power source
3
PAPER
I
DC0V/3.3V
Paper sensor: On/Off
YC807
Exit sensor
1
+3.3V2
O
DC3.3V
DC3.3V power source
2
SGND
-
-
Ground
3
EXITN
I
DC0V/3.3V
Exit sensor: On/Off
YC808
Registration clutchPaper feed clutchDeveloping clutch
1
+24V3
O
DC24V
DC24V power source
2
REGDRN
O
DC0V/24V
Registration clutch: On/Off
3
+24V3
O
DC24V
DC24V power source
4
FEDDRN
O
DC0V/24V
Paper feed clutch: On/Off
5
+24V3
O
DC24V
DC24V power source
6
DLPDRN
O
DC0V/24V
Developing clutch: On/Off 
						

							EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN
Revision B
APPENDIX     
Connection Summary
160
YC809
MP paper feed solenoid
1
+24V3
O
DC24V
DC24V power source
2
MPFDRN
O
DC0V/24V
MP paper feed solenoid: On/Off
YC811
HVPS unit
1
+24V1
I
DC24V
DC24V power source
2
+3.3V1
O
DC3.3V
DC3.3V power source
3
ZCROSS
I
DC0V/3.3V (pulse)
Zero cross signal
4
FAN
O
DC0V/24V
Left cooling fan motor: On/Off
5
HEATN
O
DC0V/3.3V
Fuser heater lamp: On/Off
6
SLEEP
O
DC0V/3.3V
Sleep mode signal: On/Off
7
MHVDR
O
DC0V/3.3V
Main charger output signal: On/Off
8
RTHVDR
O
DC0V/3.3V
Transfer (reverse) bias output signal: On/Off
9
PSEL1
O
DC0V/3.3V
Transfer (reverse) bias control signal: On/Off
10
HVCLK
O
DC0V/3.3V (pulse)
Developing bias clock signal
11
REGN
I
DC0V/3.3V
Registration sensor: On/Off
12
TCNT
O
PWM
Transfer current control signal
13
MCNT
O
PWM
Main charger output control signal
14
THVDR
O
DC0V/3.3V
Transfer bias output signal: On/Off
15
CASE
I
Analog
Cassette switch: On/Off
16
THERM
I
Analog
Fuser thermistor detection voltage
17
+24V3
O
DC24V
DC24V power source
18
SGND
-
-
Ground
YC813
HVPS unit
1
+24V2
I
DC24V
DC24V power source
2
+24V2
I
DC24V
DC24V power source
3
PGND
-
-
Ground
4
PGND
-
-
Ground
YC814
Toner sensor
1
+3.3V1
O
DC3.3V
DC3.3V power source
2
TEMPTY
I
DC0V/3.3V
Toner quantity detection signal
3
SGND
-
-
Ground
YC815
Right cooling fan motor
1
+24V1
O
DC24V
DC24V power source
2
FAN
O
DC0V/24V
Right cooling fan motor: On/Off
YC816
Eraser lamp
1
ERASER
O
DC0V/24V
Eraser lamp: On/Off
2
ERASRW
O
DC24V
DC24V power source
Connector No.
Destination
Pin No.
Signal Name
I/O
Measured Voltage
Function 
						

							EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN
Revision B
APPENDIX     
Connection Summary
161
YC817
Duplex solenoid
1
DUDR1
O
DC0V/24V
Duplex solenoid (activate): On/Off
2
COMMON
O
DC24V
DC24V power source
3
DUDR2
O
DC0V/24V
Duplex solenoid (return): On/Off
YC818
The first optional cassette unit
1
+24V3
O
DC24V
DC24V power source
2
PGND
-
-
Ground
3
PFSI
I
DC0V/3.3V (pulse)
Serial communication data input signal
4
PFSO
O
DC0V/3.3V (pulse)
Serial communication data output signal
5
PFSEL
O
DC0V/3.3V
Paper feeder selection signal
6
+3.3V1
O
DC3.3V
DC3.3V power source
YC819
Laser scanner unit
1
+24V3
O
DC24V
DC24V power source
2
PGND
-
-
Ground
3
PLGDRN
O
DC0V/3.3V
Polygon motor: On/Off
4
PLGRDY
I
DC0V/3.3V
Polygon motor ready signal
5
PLGCLK
O
DC0V/3.3V (pulse)
Polygon motor clock signal
6
PDN
I
DC0V/3.3V (pulse)
Horizontal synchronizing signal
7
SGND
-
-
Ground
8
VDON
O
DC0V/3.3V (pulse)
Video data signal (+)
9
VDOP
O
DC0V/3.3V (pulse)
Video data signal (-)
10
OUTPEN
O
DC0V/3.3V
Laser output enable signal
11
SAMPLEN
O
DC0V/3.3V
Sample/hold timing switching signal
12
+3.3V1
O
DC3.3V
DC3.3V power source
Connector No.
Destination
Pin No.
Signal Name
I/O
Measured Voltage
Function