Brother HL 1850 - B/W Laser Printer User manual

Brother Laser Printer

PARTS REFERENCE LIST

MODEL: HL-185 /187 N

Read this list thoroughly before maintenance work.

Keep this list in a convenient place for quick and easy reference at all times.

January 2002

P -PRN031

NOTE FOR USING THIS PARTS REFERENCE LIST

1. In the case of ordering parts, it needs mentioning the following items:

(1) Code

(2) Q'ty

(3) Description

(4) Symbol ( PCB No., Revision , and Parts location mounted on the PCB.)

Note : No orders without Parts Code or Tool No. can be accepted.

< Example >

REF.NO. CODE QTY DESCRIPTION SYMBO REMARK

Revision No.: marked on the main printed circuit board.

B48K056 - 201A

Revision No.: marked on the power supply printed circuit board.

Rev. A

2. Design-changed parts :

If the parts are changed, any one of the following symbols is indicated in the REMARKS column.

#A : Compatible between old and new

#B : Replaceable from old to new

#D : Incompatible

# : Newly established

3. The original of this list was made based on the information available in January 2001.

4. Parts are subject to change in design without prior notice.

(1) (4)

(3)

(2)

Design change indication

Specification No .

Pattern alteration No.

Circuit board No.

Design change indication

(The first version has no sign.)

CONTENTS

1. FRAME / DRIVE UNIT .......................................................................... 1

2. LASER UNIT ........................................................................................ 1

3. PAPER FEEDER / MP UNIT ................................................................ 3

4. DUPLEX ............................................................................................... 5

5. PAPER CASSETTE ............................................................................. 7

6. FIXING UNIT......................................................................................... 9

7. COVERS............................................................................................. 11

8. MAIN PCB .......................................................................................... 13

9. ENGINE PCB...................................................................................... 15

10. LOW-VOLTAGE POWER SUPPLY PCB........................................... 15

11. HIGH-VOLTAGE POWER SUPPLY PCB .......................................... 17

12. AC CORDS ......................................................................................... 17

13. ACCESSORIES.................................................................................. 19

14. PACKING MATERIALS...................................................................... 21

15. NETWORK BOARD ........................................................................... 21

16. PERIODICAL MAINTENANCE PARTS ............................................. 23

1. FRAME / DRIVE UNIT PR2002076

REF.NO.

CODE Q'TY DESCRIPTION SYMBOL REMARK

1LJ5980001 1MAIN MOTOR ASSY HE

2LJ5969001 1FEED SOLENOID ASSY HE

3LJ5973001 1SOLENOID ASSY 04C4

4LJ5976001 1SOLENOID ASSY 04C5

5LJ5208001 2LOCK LEVER SPRING

6LJ5307001 1TONER LED PCB UNIT (EMISSION)

7LJ8357001 1SOL RELAY PCB ASSY

8LJ5088001 1REVERSING SWITCH SOLENOID

9LJ5015001 1T-BELT B40S2M142

10 LJ5100001 1TONER SENSOR PCB UNIT (RECEPTION)

11 UL8507001 4RUBBER FOOT

12 LJ5925001 1GEAR 21H

13 UL9069001 2CONDUCTOR BUSH 5

14 LJ5533001 1CONDUCTOR BUSH H

15 LJ5117001 1FAN MOTOR 60

16 LJ8363001 1DX SENSOR PCB ASSY

17 LJ8724001 3TAPE 60X12

18 LE1169001 1USB GROUND PLATE

19 087320615 11 SCREW, CUP S TITE 3X6

20 085411015 3 TAPTITE, BIND B M4X10

21 000300415 1 SCREW, BIND M3X4

22 085310815 1 TAPTITE, BIND B M3X8

23 LJ5966001 1FUSER DRIVE GEAR 1HE

24 LJ5967001 1FUSER DRIVE GEAR 2HE

25 LJ5930001 1FEED ROLLER GEAR SHAFT

26 LJ5114001 1SPRING, EXTENSION P/R ADD

MODEL HL-1850/1870N 84U-Z23/Z24-010

T/I NO. PR2002076

2. LASER UNIT

REF.NO.

CODE Q'TY DESCRIPTION SYMBOL REMARK

1LJ7004001 1LASER UNIT (SP)

2 087321615 3 TAPTITE, CUP S M3X16

MODEL HL-1850/1870N 84U-Z23/Z24-020

- 2 -

1. FRAME / DRIVE UNIT

2. LASER UNIT

- 1 -

12 25

10 15

23 24

17 17

MODEL HL-1850/1870N 84U-Z23/Z24-010

MODEL HL-1850/1870N 84U-Z23/Z24-020

PR2002076

T/I NO. PR2002076

3. PAPER FEEDER / MP UNIT PR2002067

REF.NO.

CODE Q'TY DESCRIPTION REMARK

1UL9059001 2JOINT 5

2UL9060001 1FEED ROLLER ASSY

3UL9062001 2BUSH 5

4LJ5146001 1FIRST FEED ROLLER ASSY

5A LJ5016001 1PAPER PICK-UP ROLLER ASSY *1

5B LJ5016001 1PAPER PICK-UP ROLLER ASSY

6LJ5020001 2BUSH L

7LJ5021001 2BUSH R

8LJ5184001 1SEPARATION PLATE ASSY

9LJ5188001 1MP PRESSURE PLATE ASSY

10 LJ5197001 1MP COVER

11 LJ5199001 1MP PAPER GUIDE 1

12 LJ5200001 1MP SIDE GUIDE L

13 LJ5201001 1MP SIDE GUIDE R

14 LJ5203001 1MP PAPER GUIDE 2

15 LJ5204001 1MP PAPER GUIDE 3

16 LJ5013001 1PROCESS UNIT COVER ASSY

16-1 LJ5205001 1PROCESS UNIT COVER

16-2 LJ5206001 1P COVER LOCK LEVER L

16-3 LJ5207001 1P COVER LOCK LEVER R

16-4 LJ5208001 1LOCK LEVER SPRING

17 LJ8365001 1CASSETTE SENSOR PCB ASSY

18 LJ8367001 1MP SENSOR PCB ASSY

19 087310815 1 TAPTITE, CUP B M3X8

20 085311015 1 SCREW, BIND B TITE 3X10

21 087310615 1 TAPTITE, CUP B M3X6

22 LJ5131001 1RESIST FRONT ACTUATOR

23 LJ5132001 1RESIST FRONT ACTUATOR SPRING

24 LJ5626001 1STOPPER H

25 LJ5133001 1RESIST REAR ACTUATOR

26 LJ5134001 1

RESIST REAR ACTUATOR SPRING

27 LJ7073001 1PE ACTUATOR H

28 LJ5155001 1CA ACTUATOR

29 LJ5162001 1MP-PE SENSOR ACTUATOR 1

30 LJ5163001 1MP-PE SENSOR ACTUATOR 2

31 LJ5915001 2ROLLER COLLAR SPRING

32 LJ5916001 2ROLLER COLLAR WASHER

33A LJ5150001 2ROLLER COLLAR

33B LJ5150001 2ROLLER COLLAR

MODEL HL-1850/1870N 84U-Z23/Z24-010

T/I NO. PR2002067

*1 A component part of the

PAPER FEEDING KIT.

Refer to "16. PERIODICAL

MAINTENCE PARTS".

- 4 -

3. PAPER FEEDER / MP UNIT

- 3 -

MODEL HL-1850/1870N 84U-Z23/Z24-041

633B

33B

33A

829

2324

16-1

16-3

16-2

16-4

PR2002067

T/I NO. PR2002067

4. DUPLEX

REF.NO.

CODE Q'TY DESCRIPTION REMARK

1LJ5216001 1EXIT ROLLER UNIT

1-1 LJ5220001 1EXIT ROLLER ASSY ZLH

1-2 UL9122001 4PINCH ROLLER ASSY

1-3 UL9125001 4PINCH ROLLER SPRING

1-4 LJ8364001 1REAR COVER SENSOR PCB ASSY

1-5 085411015 2 TAPTITE, BIND B M4X10

1-6 087310815 1 TAPTITE, CUP B M3X8

2LJ5222001 1DX OUTER CHUTE ASSY

2-1 LJ5223001 1DX OUTER CHUTE

2-2 LJ5224001 1FRAP 2

2-3 LJ5225001 1FRAP 2 SPRING

3LJ5226001 1DX REAR CHUTE

4LJ5227001 1REAR COVER C

5LJ5990001 1FAN MOTOR 60 B UNIT

6LJ7091001 1DX FEED ASSY HE

6-1 LJ7092001 3ROLLLER HOLDER HE

6-2 UH2360000 5PRESSURE ROLLER

6-3 LJ5233001 1GROUND WIRE

6-4 LJ5235001 1DX FEED ROLLER ASSY

6-5 LJ5238001 2SIDE REGIST ROLLER

6-6 LJ5015001 1T-BELT B40S2M142

6-7 LJ5240001 1T-BELT B40S2M224

6-8 LJ5241001 1SIDE REGIST ROLLER HOLDER

6-9 LJ5248001 1GUIDE ACTUATOR

6-10 LJ5249001 1GUIDE ACTUATOR SPRING

6-11 LJ5250001 1DX PAPER ACTUATOR

6-12 LJ5251001 1PAPER ACTUATOR SPRING

6-13 LJ5616001 1SHOULDER TAPTITE, BIND B 3X7.5A

6-14 085310815 3 TAPTITE, BIND B M3X8

6-15 060300415 1 SCREW, BIND M3X4

6-16 085310515 1 TAPTITE, BIND M3X5

7LJ5237001 1DRIVE GEAR 14

MODEL HL-1850/1870N 84U-Z23/Z24-042

- 5 -

4. DUPLEX

- 6 -

1-1 1-4

1-6

1-5

1-3

1-2

1-3

2-1

2-2

6-1

6-5

6-7

6-6

6-14

6-10

6-8

6-2

6-12

6-11

6-16

6-9

6-2

6-4

6-1

6-3

2-3

6-14

6-14 6-15

6-13

MODEL HL-1850/1870N 84U-Z23/Z24-042

5. PAPER CASSETTE PR2002029

REF.NO.

CODE Q'TY DESCRIPTION REMARK

1LJ7090001 1PAPER TRAY ASSY HE BRO CHNG

1-1 LJ4537001 1PRESSURE PLATE ASSY LGL

1-2 UL9077001 2PERSSURE PLATE SPRING

1-3 UL9078001 1SIDE GUIDE L

1-4 UL9079001 1SIDE GUIDE R

1-5 UL9080001 2SIDE GUIDE RACK

1-6 UL9081001 1SIDE GUIDE GEAR

1-7 UL9082001 1FRICTION SPRING

1-8 LJ5919001 1PAD HOLDER ZLH ASSY JPN *2

1-9 LJ5923001 1SEPARATION PAD SPRING 350

1-10 LJ5259001 1PAPER INDICATOR

1-11 UL9092001 1LOCK LEVER

1-12 UL9095001 1HELICAL EXTENSION SPRING

1-13 LJ4196001 1PRESSURE ROLLER HOLDER

1-14 LJ5260001 1PRESSURE ROLLER COLLAR

1-15 LJ5261001 1PRESSURE ROLLER SHAFT

1-16 LJ4197001 1PAPER TRAY COVER

1-17 LJ4272001 1TRAY COVER FILM

1-18 LJ4221001 1SCRATCH SPONGE HOLDER ASSY

1-19 LJ4200001 2SCRATCH SPONGE SPRING

1-20 LJ5011001 1TRAY LOCK LEVER

1-21 UL9083001 1PAPER REAR GUIDE

1-22 UU0231001 1TAPTITE, PAN B M3X8

1-23 087310815 1 TAPTITE, CUP B M3X8

1-24 UF8709001 1TAPTITE, TORX PAN B M3X8

MODEL HL-1850/1870N 84U-Z23/Z24-045

T/I NO .PR2002029

*2 A component part of the

PAPER FEEDING KIT.

Refer to "16. PERIODICAL

MAINTENCE PARTS".

- 8 -

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