Specifications
LaserWriter II
Wiring Diagram 110V
B12
B13
B14
B15
B16
A1
+5V
B2
B3
B4
B5
B6
B7
B8
B9
B1
B10
B11
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A2
J330
I/O PCA
FG-
GND(FG)
FG+
GND(FG)
SCNCONT
GND
+24VA
DSADJ
PD
LDRV
+5V
FG
1
2
3
4
5
6
7
1
2
3
4
5
J202
J203
1
2
3
4
5
4
3
2
1
J451
J401
Scanning
Motor PCA
Laser
Diode PCA
A1
A3
A4
A5
A6
A7
A8
A9
A10
B1
B4
B5
B6
B7
B8
B9
B10
B3
A2
B2
1
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
+24VA
NC
NC
DBDC*
-5V
DBAC*
GND
HV1ON*
+5V
HVTON*
+5VA
TPA*
TSTPT*
TPB*
RDYINH*
TSTPTE*
LPCK*
CSNT1*
SCNON*
CSNT2*
SG
FG
J209
FG
VDO*
VSYNC*
CBSY*
STS*
VSREQ*
PPRDY*
FG
CCLK*
RDY
J205
N/C
CMD*
CPRDY*
PRNT*
PCLK*
SBSY*
RDY*
BD*
N/C
J205
GND
GND
+5V
+5V
-5V
RESET
REMOTE*
A
A*
B
B*
GND
+24VB
+24VA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
J212
6 5 4 3 2 1
Main
Motor
J201
Optical
Fiber
J3
F1
+24VDC
Top Cover
Interlock
AC-COLD
AC-HOT
11
33
J502
J104
Noise
Filter
CB1
J152 1 2
+24VDC
J103
1
2
Fuser
Safety
PCA
FAN (SB)
FSRD* (PK)
GND (BL)
+24VA (R)
1
2
3
4
J101
+5V(BR)
PDP*(SB)
GND(BL)5V
FSRTH(PK)
PEXP(Y)
GND 24V(BL)
+24V (R)
7
6
5
4
3
2
1
7
6
5
4
3
2
1
1
2
3
4
J208
J206
HEATER
BULB
TP1
21TH1
J332
Paper
Delivery
Sensor
PS331
Precon-
ditioning
Exposure
Circuit
J334 J333
+24V
TB
322
TB
321
MPFS*
9
PEMP*
8
+5V
7
GND
6
+24V
5
CPUD
4
REGD
3
CSENS2*
2
CSENS1*
1
+24B(R)
8
GND(BL)
7
DBDC*(V)
6
TSENS(Y)
5
DBAC*(V)
4
HV10N(GY)
3
HVRST(PK)
2
HVTON(SB)
1
J213
J211
PS302
Manual-
Feed Paper
Sensor
PS301
Paper
Out
9
8
7
6
5
4
3
2
1
GND
GND
+5V
+5V
+24V GND
Pickup
Roller
Solenoid
SL301
+24V
Regis-
tration
Solenoid
SL302
Drum-
Sensitivity
Switches
SW302
SW301
GND
8
7
6
5
4
3
2
1
TB
604
TB
605
TB
603
TB
601
TB
602
Low Toner
Sensor
Primary
Corona
Discharging
Pins
Transfer
Corona
Primary Corona Grid
Developer
Bias
(AC&DC)
J601
J603
J603
2
1
J602
Connector PCA
DC Controller PCA
Laser/Scanner Assembly
DC Power Supply
Power Supply
Block
Fuser Assembly
Thermo-Protector
Fuser PCA
Preconditioning
Exposure
Assy
Distribution PCA
Toner Cartridge
High
Voltage
Power
Supply
TEMPL*
JAML*
+5V
J331
4
5
1
2
3
Lower
Fan
2
1
GND
+24VA
J207
J331
Upper
Fan
Connector PCA
Ready/Wait LED
RDYL*
POUT*
Paper-Out LED
Paper-Jam LED
Low-Toner LED
Status Panel
J210