Apple Personal LaserWriter LS Specifications Page 43
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Personal LaserWriter SC/NT
Wiring Diagram
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
J205 J901
1
2
3
4
5
6
J210
C
GND
A
PS901
1
3
2
1
3
2
5
4
7
6
SL902
SL901
Cassette
Pick-Up
Roller
Clutch
Solenoid
Cassette
Feed
Roller
Clutch
Solenoid
Cassette
Paper
Sensor
J902 J905
Q902 Q901
R902
R901
Cassette Size
Sensing
Switches
R904
R903
SW903
SW902
SW901
M1
C
G
A
PS11
C
GND
A
PS502
C
GND
A
PS501
C
G
A
PS12
TB501
TB502
J501
TP1
TP2
RT501
RT502
1
3
TH1
H1
RT503 RT504
D502
1
3
2
1
3
2
J5802
RT505 RT102
Multi-Purpose
Tray
Paper
Sensor
1
3
2
TB503
TB504
D501
SL501Pick-Up
Roller
Clutch
Solenoid
-1
-3
-2
J504
J503
Delivery
Unit
Door
Open
Sensor
Drum
Developing
Cylinder
Primary Charging
Roller
Transfer
Charging
Roller
RT103
RT104
FT101
RT105
J602
1
4
TB601
J602
2
D. Development
T. Transfer
SG
P. Primary
Cartridge Sensor
Delivery Paper Sensor
FM11
Exhaust Fan
1
2
3
1
2
3
1
2
3
1
2
3
TB702 J12
J13
TB703
J701
1
2
3
R701
R702
Fan
Driver
VR701
TB701J213
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
J204
Optical Fiber
J206
J601
J209
1
2
3
4
5
6
7
8
9
10
+24V
GND
HVAC
VR
+8V
HVDC
HVT1
HVD
HVT2
HVT3
CB101
TB102
L101
C101
C102
SW11
J11
2
5
6
3
TB103
YB105
TB106
TB104
BK BKCB101
TB101 TB102
L
IL101
N
RT101
L101
C101
C102
R101
VZ101
J101
2
1
1A 3A
1B 3B
SW101
SQ101C103
Door
Switch
C104 Q101
L102
TB107
TB108
R102
R103
SSR101
4
2
6
1
R104
1
2
2
1
J102
TB109-2
TB109-1
J152
+5V
+5V
GND
GND
GND
+24V
GND
+24V
GND
+12V
GND
+5V
FSRDRV
FSRDRV
+5V
ACH
ACLFU1
Door
Switch
BR
BR
BL
BL
BL
BL
R
R
BL
OR
BL
BR
Y
1
2
3
4
5
6
7
8
9
J212
4
3
2
1
C
GND
A
PS13
Pick-up Unit
Paper Sensor
1
2
3
1
2
3
J208 J14
GND
+24V
GND
+24V
GND
+12V
GND
+5V
FSRDRV
+5V
+5V
GND
GND
PFSNS
GND
PFA
+24V
PFDRV
FSRTH
GND
POUT
GND
POA
DOSNSE
GND
DOA
+12V
+5V
DOSNSE
POSNS
FMDRV
CNTD
VR
GND
+8V
+24V
HVAC
VR
+8V
HVDC
HVTI
HVD
HVT2
GND
HVT3
+24V
OPSIZ2
OPPOUT
OPMD
OPCD
GND
+5V
OPSIZ1
OPSIZ0
COA
OA
OB
OA
COB
OB
+5V
+24V
GND
RDYNH
LPC
TSS
TSC
+8V
+12V
APCIN
TSTPE
TSTPNT
1
2
3
4
5
6
7
8
9
10
J207
11
12
6
5
4
3
2
1
J301 J203
1
2
3
4
5
6
7
1
2
3
4
5
6
7
J401 J202
+5V
GND
APCIN
LSRPWR
VDOUT
GND
+8V
GND
SCNCLK
SCNTAC
SCNON
+12V
+5V
6
5
4
3
2
1
Scanner
Motor Unit
Laser
Driver
Interconnect PCB
DC Controller
Power Supply
Unit
220/240V
Models
Power
Switch
Front Access Door
Fuser
PCB
Assembly
Fuser Assembly
Fixing
DC PCB
EP-L Cartridge
Cassette Paper Feeder
HVT
Cassette
Paper
Feeder
PCB
Main Motor
Density
Adj.
PCB
1
2
3
4
1
2
3
4
J303
LED Power
LED 1
LED 2
LED 3
Display Panel
J302
J301
I/O Board
SG
PPRDY
TOP
STS
CBSY
N.C.
VDOI
CCLK
PRFD
RESET
BOO
RDY
SBSY
PCLK
PRNT
CPRDY
CMD
N.C.
N.C.
TSTPNT
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
/PRFD
/CCLK
/VDO
Reserved
/CBSY
/STS
/TOP
/PPRDY
LED Power
LED 1
Reserved
Reserved
/CMD
/CPRDY
/PRNT
/PCLK
/SBSY
/RDY
/BD
LED 2
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
Reserved
GND
GND
GND
GND
GND
A11
A12
A13
A14
A15
A16
LED 3
+5V
B11
B12
B13
B14
B15
B16
+5V
+5V
+5V
+5V
J304
- PLW SC/NT/NTR/LS 1
- Product Information 3
- Paper Paths 4
- LS–LS/L Identification 5
- Sensing System 6
- PLW SC/NT/NTR/LS Basics - 6 8
- PLW SC/NT/NTR/LS Basics - 7 9
- PLW SC/NT/NTR/LS Basics - 8 10
- PLW SC/NT/NTR/LS Basics - 9 11
- PLW SC/NT/NTR/LS Basics - 10 12
- PLW SC/NT/NTR/LS Basics - 11 13
- Startup Test Pages 14
- PLW SC/NT/NTR/LS Basics - 13 15
- SC Startup Test Page 16
- Service Test Page 17
- SC, NT, NTR 18
- Specifications 21
- Intro Dates 23
- Logic Board 24
- Performance 26
- Built-In Fonts 28
- Environmental 29
- Electrical 30
- Physical 31
- Troubleshooting 32
- Status Panel LEDs 33
- Capacitor Discharge 35
- Capacitor C212 37
- (C209 on LS/L) 37
- LS Error Messages 38
- Roller Diameters 39
- Drum Check 41
- Flowcharts 42
- Personal LaserWriter SC/NT 43
- Wiring Diagram 43
- Personal LaserWriter LS 44
- Wiring Diagram 44
- Take Apart 45
- Top Cover 46
- Front Cover 48
- Front Door 50
- Right Holding Notch 50
- LED Cover 51
- LED Cable 53
- Cassette Feeder 54
- Cassette 55
- Pedestal Covers 56
- Cassette Stop Cover 57
- Right Bottom Cover 58
- Microswitches 58
- Left Bottom Cover 59
- Roller Shaft 60
- Cassette Pickup 64
- Pickup Clutch Assembly 65
- Setscrew E-Ring 65
- Cassette Feeder Tray 71
- Cassette Feeder Board 71
- I/O Board (SC 72
- NT, NTR) 72
- I/O Board 73
- I/O Shield 73
- I/O Shield (SC 75
- End Plate (SC 77
- End Plate 78
- I/O Shield (LS) 79
- I/O Board (LS) 81
- End Plate (LS) 83
- PCB Shield 85
- Duct Plate 86
- Serial Controller 88
- Take Apart Fan - 51 96
- This topic applies to all 96
- Before you begin, remove 96
- Sensor Mounting 99
- Density-Adjusting 101
- Connector J213 102
- Density-Adjusting Board 102
- Connector 102
- Fan-and-Sensor 103
- Interconnect Board 106
- DC Controller 108
- ±Warning: Never 109
- Interconnect Mount 111
- Retainer 111
- DC Controller Board 111
- Mount Plate 112
- Mounting Plate 116
- Cable Retainers 116
- Power Supply 117
- (SC, NT, NTR) 117
- Cable Retainer 118
- Power Supply (LS) 120
- Power Supply (LS/ 123
- Serial Controller Board 124
- High-Voltage 126
- High-Voltage Power Supply 127
- Cable Connector 127
- Laser Assembly 129
- Main Motor 131
- Lens and Scanner 133
- Assemblies 133
- ±Warning: Always replace 134
- Beam Detect 135
- Mirror Screw 135
- Focusing Lens 135
- Lens Assembly 135
- Drive Assemblies 137
- Grounding 138
- Cable Clamp 139
- Drive Assembly 139
- 5 Remove the three 140
- Feeder Assembly 141
- Access Panel 142
- Sensor Connector 143
- White Gear 144
- Fuser Assembly 145
- Face-Down 146
- Delivery 146
- Assembly 146
- Fuser Heater Bulb 148
- 1 Remove the gold-colored 149
- Left Connector Bracket 150
- Retaining Spring 152
- 7 Remove the two black 153
- Fuser Bulb 154
- Left Connector 154
- Fuser PCB 155
- Rod Assembly 157
- 1 Remove the screw that 158
- Contact Assy 160
- Contact Assembly 162
- Power Supply Cable 162
- Mounting 162
- Face-Up Delivery 163
- 2 Lift out the face-up 165
- Face-Up Cover 166
- Tension Spring 167
- 1 Swing the face-down 170
- Face-Down Delivery Assembly 171
- Separation Pad 172
- Transfer Guide 174
- Transfer Roller 176
- Transfer Roller Mount 177
- Pickup Roller 178
- 1 Remove the three black 179
- Front Access Door 180
- 8 Remove the screw that 184
- 9 Disconnect connector 185
- J101 from the power 185
- Plastic Pin 186
- Multipurpose 187
- Cable Assembly 187
- Pickup Drive Gear 189
- Grounding Cable 190
- Solenoid Screw 190
- Sensing Lever 196
- Paper-Sensing Arm 197
- Paper-Sensing 197
- Upgrades 198
- NTR ROM 199
- Additional Procedures 201
- Voltage 202
- Conversions 202
- Nip Width Measurement 204
- Cleaning Page 207
- Adjustments 210
- Registration 211
- Adjustment 211
- Leading Edge of Paper 213
- Test Page Pattern 213
- Refurbishment Kit 215
- Exploded View 216
- Exploded View 1 217
- Exploded View 2 218
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