Printer Service Manual - Lexmark W850n Service Manual

4024 Printer Service Manual

+3.3VDC
JOPP1
SIG-GND
JSFP P1
+5VDC
+3.3VDC
JUSBHF
SIG-GND
SIG-GND
MAIN PWR ON
RIP Card
ASM JVIDEO 1
Rip Card
Cooling Fan
USB DIRECT
JUSBH1
ETHERNET JUSBD1
JBOOT1
USB 2.0 PORT
JPFAN1
JSER1
JLOCK1
+5VDC
1
SIG-GND
2
3
+5VDC
1
SIG-GND
2
Std Bin Full 1SNR(L)
3
Sensor
(Std Bin Full Exit 1)
SIG-GND
4
+5VDC
3 3
RTN
2 2
+24VDC
1 1
Exit Gate Solenoid ON(H)+5VDC
8
REGI Clutch ON(L)+5VDC
7
FULL STACK SENSED(L)+5VDCC
6
FUSER EXIT PAPER SENSED(H)+5VDC
5
SIG-GND
4
EXIT TO ENGINE
3
ENGINE TO EXIT
2
SIG-GND
1
AC OUT
(To Finisher)
Choke
AC Outlet(FIN)
Coil 220/240
1 1 2 2 3 4 3 4 5 5
Switch
(Main Power) 2
1 1 2 2 3 3 4 4
P4
1
4 1
LVPS
P1
5 2
6 3
HOT
Card ASM
HOT T11
H
Neutral T12
N
AC IN
1
2
P7
To Metal
3 1 2 1 2
Printer Frame
4 3 3 4 4
MainLamp1 ON(H) AC HOT
1
Center Thermistor Signal Fuser
2
SIG-GND
3
SubLamp1 ON(H) AC HOT Unit
4
Pressure Roll Thermistor Signal
5
SIG-GND
6 ASM
SubLamp2 ON(H) AC HOT
7
Rear Thermistor Signal
8
SIG-GND
9
10
Relay ON(L) neutral
11
READY
1
ESS READY
2
ENGINE READY
3
USB
PRED
4
START 4
5
BD 3 J3
6
TOP
2
7
1
8
9
FWE
10
SCLOCK
11
Command Ready
12
Status Ready
13
Status(Engine To ESS)
14
Command (ESS To Engine)
15
SIG-GND
16
SIG-GND
17
SIG-GND
18
/XDATA 1
J160
2
XDATA 1
1
/XDATA2
/XDATA 2
2 2
XTATA2 J170
XDATA 2
1
1
XTATA1
2
XTATA1
1
2
1
1
2
2
1
4
3
2
1
1
2
3
Media Shift
Motor 1
4
3
2
1
PC Cartridge
Cooling Fan
P432
J430
J431
+24VDC
2
P420
Toner Add Motor ON(L) +24VDC
1
SIG-GND
8
Engine To Exit
7
Exit To Engine
6
SIG-GND P421
5
Fuser Exit Paper Sensed(H)+5VDC
4
Full Stack Sensed(L)+5VDC
3
REGI Clutch ON(L)+5VDC
2
Exit Gate Solenoid ON(H)+5VDC
1
+5VDC
9
Tray 2 Size Switch Signal
8
SIG-GND
7
Tray 2 Size S5 on(L)+5VDC
6
5
+5VDC
SIG-GND SIG-GND
4
Tray 1 Size Switch Signal
+5VDC
3
RTN
SIG-GND
+24VDC 2
Tray 1 Size S5 on(L)+5VDC
1
MainLamp1On(h)+5DC
5
SubLamp1On(h)+5DC
4
+24VDC
P401
4 8 SubLamp2On(h)+5DC
3
RTN
P526 3 7
Relay ON(L)+24DC
2
+5VDC
2 6
ZERO CROSS
1
SIG-GND
1 5
SIG-GND
4
P521 5 10
+5VDC
Main Pwr On 3 P400
4 9
RTN
SIG-GND 2
3 8
+24VDC
SIG-GND 1
7
2
+3.3VDC
1 6
+5VDC
SIG-GND
+3.3VDC
1
To Finisher
PC Cartridge
12C DATA OP
1
+5V FUSED
2
Op-Panel
12C CLK OP
3
4
ASM
PANEL INT R
5
+3.3V
7
Registration
Clutch
1
2
Print-Head
Sensor
ASM Sensor Sensor (Registration)
(RFID PC (RFID Toner 1
Cartridge) Cartridge) 2
J140 J130
3
Printer
Engine
Card ASM
P412
B
7 8 9 10 11 12 1 2 3 4 5 6 A 1 2 3 4
2 3 4 5 6 1 2 3 4 5 6 1 2 3 4
PF03
J540
P541
To TTM/2TM To Duplex
Drum
Sensor
(
Humidity & Temp)
I/L +24VDC
15
I/L +24VDC
14
RTN
13
RTN
12
DTS ON
11
BTR MONITOR
10
SIG GND
9
BTR SEL
8
BTR REMOTE
7
BCR AC CLOCK
6
BCR AC ON
5
BCR DC REMOTE
4
3
DEVE BIAS DC REMOTE
2
DEVE BIAS DC ON
1
P403
Media Trans Motor ON(L)+5VDC
PC Cartridge Motor CW/CCW
PC Cartridge Motor ON(L)+5VDC
PC Cartridge Motor REF Clock
PC Cartridge Motor Fail(H)+5VDC
Media Trans Motor REF Clock
4
+24VDC
3
P405
2
+24VDC
1
1
SIG-GND
2
Rear Thermistor Signal
3
SIG-GND
4
Pressure Roll Thermistor Signal
5
SIG-GND
6
Center Thermistor Signal
7
+5VDC
8
P410 SIG-GND
9
Fuser Exit SNR(L)+5VDC
10
SIG-GND
11
Left Lower Door Interlock Open(H) +5VDC
12
+5VDC
13
Tray2 Feed SNR(L)+5VDC
14
SIG-GND
15
+24VDC
16
Transport Clutch ON(L)+24VDC
17
B
15 1
14 2
13 3
12 4
11 5
10 6
9 7
P409
8 8
7 9
6 10
5 11
4 12
3 13
2 14
1 15
A
+5VDC
1
SIG-GND
2
MPF Media Size SNR Signal
3
4 MPF Pic Solenoid ON(L)+24VDC
P411
+24VDC
5
+5VDC
6
SIG-GND
7
MPF Media Present SNR(L)+5VDC
P415
P414 8
1 2 3 1 2 3 4 5 6
+5VDC
1
Size Switch 1 Signal
2
Switch (Media
SIG-GND
3
Size Switch 1 ON(L)+5VDC
4 Size 1)
To HCF
Charge Mag Transfer Transfer
Roll Roll Roll Sys
HVPS
Card ASM
+24VAC
SIG GND
Fuser Fan ON(H)+24VDC
CN102
Fuser Fan Fail
14
Fuser Fan ON
13
12
11
10
9 Fuser Cooling
8 Transport
Motor Fan
7
M/C Clock
6 PC
+5VDC
5 Cartridge
RTN
Motor
4
RTN
3
I/L+24VDC
2
I/L+24VDC
1
CN101
Dual Drive
Motor ASM
Switch(Printer Left
Door Interlock)
1 1
1 1
Switch(Printer Front
Door Interlock)
Sensor
1 (Fuser Exit)
2
3 Switch (Printer Left
2
Lower Door Interlock)
1
1
2 Sensor (Tray 2 Feed Out)
3
1 Transport
2
Clutch
P409
Sensor (MPF Media Size)
1
2
3
MPF Pick
1
Solenoid
2
3
2
1 Sensor
(MPF Media Out)
Media
Feed Lift
+5VDC 1
Motor 2
Size Switch 1 Signal
2
SIG-GND
Switch (Media
3
Size Switch 2 ON(L)+5VDC
4
Size 2)
Media
Feed Lift
Motor 1