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K Service Source
LaserWriter Plus
LaserWriter, LaserWriter Plus
K Service Source
Basics
LaserWriter Plus
Basics General Information - 1
General Information
This manual contains only an exploded view and parts
information for the LaserWriter and Laser Writer Plus.
The take apart procedures are in the form of a Paperless
Printer file located on the Service Source CD. Click the
button below to launch this file.
LaserWriter Plus
Take Apart
I/O CONNECTOR UNIT I/O PCB
GN/Y J16-25 J52-34
FG J16-24
J12-1 J52-33
J2-1 4 3 J16-23
FUSER NOISE DC POWER SUPPLY LED7 J52-32
POWER INTERLOCK ASSEMBLY TB22 DOOR TH1 NF2 J16-22
ASSEMBLY THERMISTOR J2-2
2 1
FILTER (VIDEO CONTROLLER PCB) J12-23
J16-21
J52-31
Main Switch -2 -3 SWITCH J52-30
SW1 CB1 MS1 FUSER ROLLER J16-20 J52-29
Noise Filter J12-8
BR BK BR BK -1 -4 HEATER H1 Q1 G PT2 I/O PCB J16-19
L X PW1 BR J52-28
GNN F205 F205 TB101 BK TP1 R R +5V J14-4 J16-18
E
BL
NF1 W TB102 T2 T1 J15-2 +5V
BR
J14-3
J12-20 J52-27
N F187 F187 J17-1 J16-17 J52-26
-1 -4 W MS2 THERMOPROTECTOR W AC25V BL J16-16
BL F250 R R GND J12-6 J52-25
BL J14-2 J16-15
TB19 GN -2 -3 J101-1 J101-2 J105-7 J105-3 J105-5 GND J14-1 J52-24
J15-1 J17-2 J16-14
J12-5 J52-23
TB15 J16-13
CONNECTOR SEPARATION SQ1 TRANSFORMER J52-22
FAN J16-12 J52-21
MOUNT PLATE PLATE J12-4
BK J105-1 J102-1 BK J1-1 J216-1 J5-1 J16-11 J52-20
GND GND
TB13
TB17 W J105-2 J102-2 W J1-2 FM1 PDDP
J216-2 J5-2
PDP PS3 DELIVERY J12-3
J16-10 J52-19
TB21 GN J216-3 J5-3 SENSOR J16-9
+24V(R) +24V J52-18
TB16 J16-8
AC CONTROLLER PCB J12-2 B3 B2 J52-17
CROSS MEMBER OV BK BK J103-1 B4 J16-7 J52-16
FUSER ROLLER HEATER J201-2 TB18-2 B1
(RA1-0664) TB20 W W J103-2 RDYL LED 1 TB25 J16-6 J52-15
100V SAFETY PCB
(115V only) J103-3 LED 2 B5 J16-5
115V - + GND J201-3 TB18-3 A2 J52-14
MAIN MOTOR PEMPL LED 3 DISPLAY TB23 A1 J16-4 J52-13
LINE AC DRIVER PCB LED 4 J16-3 J52-12
M1 VOLTAGE JAML
J201-4 TB18-4
LED 5 UNIT A3 A4
A5
J16-2
J104-1
J104-2
J104-3
J52-11
PT1 LED 6 J16-1
RECONDITIONING EXPOSURE J201-1 TB18-1 J52-10
+5V
LAMPS & PRINT COUNTER PCB TM1
J2-4
TRANS- LA1 LA2 LA3 LA4 LA5
BR
BR
BK
J204-1 TB3-1 J13-5 J52-9
BEAM
R
+24V(UA)
FORMER J204-2 TB3-2 J13-9 J52-8
J503-2
J503-3
J503-5
J503-6
OPTICAL FIBER
J501-1
J501-2
J501-3
J501-4
J501-5
J501-6
J501-7
POSITION LSRHD
J2-3 J204-3 TB3-3 J13-4 J52-7
J212-2
J212-4
J212-5
J212-1
J212-3
LSRTH
SENSOR J204-4 TB3-4
J203
TBS -4 -3 -2 -1 GND J13-8 J52-6
J207-1 -2 -3 -4 -5 -6 J204-5 TB3-5 LASER UNIT J13-3 J52-5
+5V
J204-6 TB4-1 J13-7 J52-4
LD
J204-7 TB4-2
FSRTH
FSRD
GND
GND
+24V(R)
J502-1 Y J208-1 PD J13-2 J52-3
TG +
GND
MOTOR
TG -
DRMD DRMD J204-8 TB4-3
AC33V
AC12V
AC21V
J502-2 R J208-2 DSADJ J13-6 J52-2
+24V(UA) +24V(UA)
J502-3 BL J208-3 J13-1 J52-1
GND(UA) GND(UA)
J502-4 R J208-4 J206-1 J401-1
+30V(UB) +30V(UB) +24V(R)
-5V
J502-5 GY J208-5
-5V GND J206-2 J401-2
SCANNER RS232/422
J502-6 BL J208-6 J206-3 J401-3
DC POWER GND
J502-7 BR J208-7
GND SCNRDY
J206-4 J401-4 UNIT SERIAL PORT CABLE
+5V +5V SCNON
SUPPLY & GND
J502-8 BL J208-8
GND DC CONTROLLER PCB
MAIN MOTOR J502-9 R J208-9
+24V(R) +24V(R)
J502-10 V J208-10
DRIVE PCB HVRST HVRST
J502-11 SB J208-11
VSREQ RET
CPRDY RET
VSYNC RET
PPRDY RET
ACP ACP
CBSY RET
PRNT RET
SBSY RET
SCLK RET
J502-12 P J208-12
RDY RET
TG TG
SC RET
VSREQ
CPRDY
PPRDY
VSYNC
DBDC
DBAC
HVPR
CBSY
PRNT
SBSY
HVTR
SCLK
VRST
+24V
VDO
VDO
RDY
GND
SG
SG
BD
BD
SC
NC
MS3 C J209-1
DRUM SENSITIVITY CSENS1
(Middle) NO F110 J209-2
IDENTIFICATION
J202-10
J202-12
J202-13
J211-1
J211-2
J211-3
J211-4
J211-6
J211-8
MS4
J211-5
J209-3
J202-11
J211-7
J202-14
J202-15
J202-16
J202-17
J202-18
J202-19
J202-20
J202-21
J202-22
J202-23
J202-24
J202-25
J202-26
J202-33
J202-34