Service Source

K

LaserWriter Plus

LaserWriter, LaserWriter Plus

Service Source

K

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 PlusTake Apart

LaserWriterWiring Diagram 110V

115V

J212-5

BKW

BK

BL

BRGNN N F 1

LEN

POWER INTERLOCK ASSEMBLYMain Switch

Noise FilterBR

BL

SW1

XF205F205

CB1

F250TB19 GN

BK

W

TB22

SEPARATIONPLATE

TB13

TB20

TB21

-1

-1

-2 -3

-4

-4

-2 -3

BK

W

MS1

MS2

TB15

DOOR SWITCH

TB101TB102

FUSER ASSEMBLY

TH1THERMISTOR

FUSER ROLLER HEATER H1

F187TP1

F187THERMOPROTECTOR

J101-1 J101-2

SQ1

J105-7 J105-3

T2 T1

W

Q1

J105-5

J2-1

J2-2

J105-1

J105-2

J103-1J103-2J103-3

BK

W

BKW

(115V only)

AC CONTROLLER PCBFUSER ROLLER HEATER

SAFETY PCB

TBS -4 -3 -2 -1

LA1 LA2 LA3 LA4 LA5

TM1RECONDITIONING EXPOSURE LAMPS & PRINT COUNTER PCB

TB17GN

TB16

PT1

OV

100V

LINEVOLTAGE

TRANS-FORMER

J50

3-2

BR

J50

3-3

BR

J50

3-5

BK

J50

3-6

R

MAIN MOTOR

J50

1-1

J50

1-2

J50

1-3

J50

1-4

J50

1-5

J50

1-6

J50

1-7

M 1

- + GND

J2-4

J2-3

J104-1

J104-2

J104-3

AC DRIVER PCB

J212-1

J212-2

J212-3

J212-4

FS

RD

+24V

(R)

GN

DF

SR

TH

GN

D

J102-1

J102-2

BK

W FM1

FAN

GN/Y

J203

OPTICAL FIBERBEAM

POSITIONSENSOR

DC CONTROLLER PCB

G

J1-1J1-2

CONNECTORMOUNT PLATE

CROSS MEMBER(RA1-0664)

PRINT DENSITYADJUSTMENT DIAL

J502-12 P J208-12J502-11 SB J208-11J502-10 V J208-10J502-9 R J208-9J502-8 BL J208-8J502-7 BR J208-7J502-6 BL J208-6J502-5 GY J208-5J502-4 R J208-4J502-3 BL J208-3J502-2 R J208-2J502-1 Y J208-1

J10-1 J215-1

TG

+T

G -

GN

DM

OT

OR

AC

33

V

AC

12

V

AC

21

V

DRMD+24V(UA)GND(UA)+30V(UB)

-5VGND+5V

GND+24V(R)HVRST

ACPTG

DC POWER SUPPLY &

MAIN MOTOR DRIVE PCB

MS3 CNO F110(Middle)

MS4NO F110(Lower)

MS8

NO F110(Upper)

DRUM SENSITIVITYIDENTIFICATION

MICROSWITCHES

CARTRIDGE SENSOR

J4-1J4-2J4-3PS1

OV

+24VPICKUP SENSOR

REGISTRATION SHUTTER SOLENOID

MANUAL PICKUP ROLLER SOLENOID

F110

F110

SL1

SL2

DRMD+24V(UA)GND(UA)+30V(UB)-5VGND+5VGND+24V(R)HVRSTACPTG

CSENS1

CSENS2

CEMP

LPCK

GDNPFS+24V(R)

+24V(R)

J209-1J209-2

J209-3J209-4

J209-5J209-6

J209-7

J210-5J210-6J210-7

J210-1J210-2J210-3J210-4 MPUSD

RGSD

PS2OV

+24V

PAPER SENSOR

J5-1J5-2J5-3

CASSETTE PICKUPROLLER CLUTCH SOLENOID

J10-2 J215-2J10-3 J215-3J10-4 J215-4J10-5 J215-5J11-1 J214-1J11-2 J214-2J11-3 J214-3J11-4 J214-4

J11-6 J214-6J11-5 J214-5

F110

F110

F110

(Upper) MS5

(Middle) MS6

(Lower) MS7

CASSETTESIZE

MICRO-SWITCHES

CASSETTE FEEDER

PEMP+24V(R)CPUSD+24V(R)PSIZE1

PSIZE2

PSIZE3

SL3

B2

TB25

A3 A4

A2

A5TB23 A1

B1B3

B4

J16-25J16-24J16-23J16-22J16-21J16-20J16-19J16-18J16-17J16-16J16-15J16-14J16-13J16-12J16-11J16-10J16-9J16-8J16-7J16-6J16-5J16-4J16-3J16-2J16-1

J52-34J52-33J52-32J52-31J52-30J52-29J52-28J52-27J52-26J52-25J52-24J52-23J52-22J52-21J52-20J52-19J52-18J52-17J52-16J52-15J52-14J52-13J52-12J52-11J52-10

J52-9J52-8J52-7J52-6J52-5J52-4J52-3J52-2J52-1

LED7

FG

J12-23

J12-8

J12-20

J12-6

J12-5

J12-4

J12-3

J12-2

I/O CONNECTOR UNIT

J13-5J13-9J13-4J13-8J13-3J13-7J13-2J13-6J13-1

RS232/422SERIAL PORT CABLE

J12-1

B5

I/O PCB

DC POWER SUPPLY (VIDEO CONTROLLER PCB)NF2

4 3

2 1

NOISE FILTER

TRANSFORMER

PT2

J15-2

J15-1

R

R

R

R

J17-1

J17-2

AC25V

PW1 BRBR

BLBL

+5V+5V

GNDGND

J14-4J14-3

J14-2J14-1

I/O PCB

J204-1 TB3-1J204-2 TB3-2J204-3 TB3-3J204-4 TB3-4J204-5 TB3-5J204-6 TB4-1J204-7 TB4-2J204-8 TB4-3

RDYL

PEMPL

JAML

+5V

DISPLAYUNIT

DELIVERYSENSOR

LASER UNIT

+24V(UA)LSRHDLSRTH

GND+5VLDPD

DSADJ

J206-1 J401-1J206-2 J401-2J206-3 J401-3J206-4 J401-4

+24V(R)GND

SCNRDYSCNON

SCANNER UNIT

LED 1LED 2LED 3LED 4LED 5LED 6

GNDPDP+24V

PS3GND

PDDP+24V(R)

J216-1 J5-1J216-2 J5-2J216-3 J5-3

J201-2 TB18-2

J201-3 TB18-3

J201-4 TB18-4

J201-1 TB18-1

J207-1 -2 -3 -4 -5 -6

J51-

3

J202

-3

J51-

4

J202

-4

J51-

5

J202

-5

J51-

6

J202

-6

J51-

7

J202

-7

J51-

8

J202

-8

J51-

9

J202

-9

J51-

10

J

202-

10

J51-

11

J

202-

11

J51-

12

J

202-

12

J51-

13

J

202-

13

J51-

14

J

202-

14

J51-

15

J

202-

15

J51-

16

J

202-

16

J51-

17

J

202-

17

J51-

18

J

202-

18

J51-

19

J

202-

19

J51-

20

J

202-

20

J51-

21

J

202-

21

J51-

22

J

202-

22

J51-

23

J

202-

23

J51-

24

J

202-

24

J51-

25

J

202-

25J5

1-26

J20

2-26

J51-

33

J

202-

33

J51-

34

J

202-

34

BD BD PPR

DY

PPR

DY

RET

RD

Y

RD

Y R

ET

VSR

EQ

VSR

EQ R

ET

SBSY

SBSY

RET

SC SC R

ET

SCLK

SCLK

RET

CBS

Y

CBS

Y R

ET

PRN

T

PRN

T R

ET

VSYN

C

VSYN

C R

ET

CPR

DY

CPR

DY

RET

VDO

VDO

SG SG

LASERWRITER I/O BOARD

J22-2

VZ1 R1 VR1

F110

DRUM

F110

F110

R

F187

TB7

TO

NE

R

CA

RT

RID

GE

PRIMARYCORONA

ASS'Y

DEVELOPING CYL

TB6J7-1

J7-2

J9

TRANSFERCORONAASSEMBLY

TRANSFERGUIDE

W

W

GN

J5

J3J4

J21-2

TRANSFER (+)TB8

R2

VARISTOR

GNJ22-1

VARISTOR PCB

PRIMARY(–)

HIGH VOLTAGE

POWER SUPPLY

GNDDEVELOPING BIAS

VRZ

R

J

61

0-3

Y

J

61

0-2

BL

J6

10

-1

+2

4V

PR

INT

DE

NS

ITY

AD

JU

ST

ME

NT

GN

D

J23-1J23-2J23-3

J23-4

J601

-1

J21

1-1

J601

-2

J21

1-2

J601

-3

J21

1-3

J601

-4

J21

1-4

J601

-5

J21

1-6

J601

-7

J21

1-7

J601

-8

J21

1-8

J601

-5

J21

1-5

GN

D

HV

TR

NC

DB

DC

DB

AC

+24

V

VR

ST

HV

PR

GN

D

HV

TR

NC

DB

DC

DB

AC

+24

V

VR

ST

HV

PR

J21-1

Service Source

K

Exploded View

LaserWriter Plus

Exploded View 1

970-1182Top Shield Frame

970-1183Bottom Shield Frame

970-1112 (White)Right Panel

661-0267DC Controller PCB

Front Panel970-1113 (White)970-1298 (Platinum)

TonerCartridge

970-1142 (White)970-1299 (Platinum)Cassette Door

699-0323Registration Shutte Assy

970-1110 (White)

970-1295 (Platinum)Left Panel

970-1111 (White)970-1296 (Platinum)

Rear Panel

661-0266High-Voltage

Power Supply

970-1035Varistor PCB

Left-Side Frame(Not Offered)

Fan Cove(Not Offered)

720-0502Fan

971-1001Ozone Filter

970-1069Wire Harness Cover

970-1021Transfer Corona Assy

970-1149Transfer Guide Assy

970-1005Paper Separator

Belt

971-0037Feeder Guide Assy

970-1020PreconditioningExposureAssy

970-1143Power Interlock Cover

Upper MainBody(not offered)

661-0436 (LW)661-0437 (LW+)LaserWriter I/O Board

661-0273DC Power Supply/Motor Drive PCB

970-1109DisplayPanel Assy

661-0268AC Driver PCB

661-0450 (115 V)Fuser Assy

970-1267 Front Latch

970-1009Main Motor

Assy

810-0608 (White)810-0610 (Platinum)Top Cover

699-0324 (110 V)Power Interlock Assy

661-0278Scanner Unit

970-1272Manual Paper Feed Plate

970-1019Separation/Feed

Roller Assy

970-1194I/O Plate

661-0277Laser

LaserWriter & LaserWriter Plus Exploded View

L W it & L W it Pl E l d d Vi

I/O Board Power Supply661-0323