Apple Personal LaserWriter LS Specifications Page 44
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Personal LaserWriter LS
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
SL501
Pick-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
GND
+24V
GND
+24V
GND
+12V
GND
+5V
FSRDRV
FSRDRV
+5V
ACH
ACLFU1
Door
Switch
BL
BL
R
R
BL
OR
BL
BR
Y
1
2
3
4
5
6
7
8
9
J212
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
PFSNS
GND
PFA
+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
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
J301
I/O Board
J803
SG
PPRDY
TOP
STS
CBSY
N.C.
VDO
CCLK
PRFD
N.C.
BD
RDY
SBSY
PCLK
PRNT
CPRDY
CMD
+5V
N.C.
N.C.
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
1
2
3
4
1
2
3
4
LED Power
LED 1
LED 2
LED 3
Display
Panel
+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
- 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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