Brother HL-7050 Series User manual

L-

-7

Read this list thoroughly before maintenance work.

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

September 2002

PL-PRN036

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 SYMBOL 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 September 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 .................................................................................................1

2. DRIVE...................................................................................................3

3. LASER UNIT.........................................................................................5

4. PAPER EJECT.....................................................................................5

5. PAPER FEED.......................................................................................7

6. MP TRAY..............................................................................................7

7. PAPER TRAY.......................................................................................9

8. FIXING UNIT.......................................................................................11

9. COVERS / LABELS............................................................................ 13

10. SWITCH PANEL.................................................................................15

11. MAIN PCB .......................................................................................... 15

12. ENGINE PCB......................................................................................17

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

14. LOW-VOLTAGE POWER SUPPLY PCB........................................... 19

15. AC CORDS.........................................................................................19

16. ACCESSORIES..................................................................................21

17. PACKING MATERIALS......................................................................23

18. PERIODICAL MAINTENANCE PARTS..............................................25

19. NET WORKBOARD ...........................................................................27

20. TCO099 ..............................................................................................29

1. FRAME

REF.NO.

CODE Q'TY DESCRIPTION

1LJ9044001 1SIZE SW PCB ASSY

2LJ1568001 1SIZE SW SPRING

3UH2208001 4RUBBER FOOT

4LJ0259001 1FAN MOTOR 60

5LJ0670001 2TAPTITE, PAN B M3X35

6LJ0822001 3TAPTITE, CUP S M3X4

7LJ1135001 1DC FAN AUB0624

8LJ1136001 1FILTER TAK-CR

9LJ9036001 1REGIST SENSOR PCB ASSY

10 LJ9040001 1RELEASE MOTOR SENSOR PCB ASSY

11 UF9823001 2SHOULDER SCREW

12 LJ0941001 1SCREW, BIND P TITE 2.3X16

13 LJ8455001 3CONNECTOR:52968-0611

14 LJ9046001 1LEFT SIDE PCB ASSY

15 LJ9049001 1REAR RELAY PCB ASSY

16 LJ9051001 1TONER LED PCB ASSY

17 LJ1159001 1TIP ACTUATOR

18 LJ1160001 1REGIST ACTUATOR

19 LJ1161001 1COIL SPRING TIP

20 LJ1162001 1COIL SPRING REGIST

21 LJ1166001 1REGIST ROLLER

22 UD4152001 2BEARING A

23 LJ1244001 1ELECTROMAGNETIC DEVELOP CLUTCH

24 LJ1168001 2COLLAR 8

25 LJ1169001 2BEARING AM

26 LJ1170001 1PINCH ROLLER

27 LJ1175001 2COLLAR 6

28 LJ1210001 1INTERLOCK SW ASSY

29 UL9033001 1FAN MOTOR

30 LJ1651001 1FAN MOTOR 60-3P

31 LJ1209001 2COLLAR 4

32 LJ1204001 1FRONT GUIDE ASSY

33 LJ1214001 1MAIN FAN FOAM

34 LJ1215001 2SUB FAN FOAM

MODEL HL-7050/7050N 84T-U07/08-500

REMARK

- 1 -

- 2 -

MODEL HL-7050/7050N 84T-U07/08-500

1. FRAME

25 31

27 27

11 12

2. DRIVE

REF.NO. CODE Q'TY DESCRIPTION

1LJ1252001 1MAIN MOTOR ASSY

2LJ1244001 1ELECTROMAGNETIC DEVELOP CLUTCH

3LJ1554001 1SOLENOID ASSY

4LJ0309001 1SOLENOID SPRING MP

5LJ1278001 1FEEDING MOTOR ASSY

6U11776001 1SCREW, FLANGED M3X3.5

7LJ1280001 1ELECTROMAGNETIC FEED CLUTCH

MODEL HL-7050/7050N 84T-U07/08-550

REMARK

- 3 -

- 4 -

2. DRIVE

MODEL HL-7050/7050N 84T-U07/08-550

3. LASER UNIT

REF.NO.

CODE Q'TY DESCRIPTION

1LJ1304001 1SCANNER UNIT (SP)

2 087321615 4 TAPTITE, CUP S M3X16

MODEL HL-7050/7050N 84T-U07/08-700

4. PAPER EJECT

REF.NO.

CODE Q'TY DESCRIPTION

1LJ1098001 1PAPER EJECT UNIT

1-1 UH3323001 4EJECT PINCH ROLLER ASSY

1-2 UH3948001 4PINCH SPRING

1-3 LJ0668001 2EJECT ROLLER ASSY

1-4 LJ0657001 2EJECT ROLLER GROUND PLATE

1-5 LJ0477001 4BEARING 6

1-6 LJ0718001 1REAR ACTUATOR 4

1-7 LJ9034001 1REAR SENSOR PCB ASSY

1-8 LJ0110001 1REAR ACTUATOR 3

1-9 LJ0111001 1REAR TRAY ACTUATOR

1-10 LJ0112001 1REAR TRAY ACTUATOR SPRING

1-11 087310815 1 TAPTITE, CUP B M3X8

1-12 085310815 2 TAPTITE, BIND B M3X8

1-13 048040346 2 RETAINING RING, E4

1-14 LJ1562001 4CORRUGATED COLLAR

1-15 048030346 2 RETAINING RING, E3

2 087320816 2 TAPTITE, CUP S M3X8

3LJ1103001 1EJECTION GEAR UNIT

MODEL HL-7050/7050N 84T-U07/08-420

REMARK

- 5 -

3. LASER UNIT

4. PAPER EJECT

- 6 -

MODEL HL-7050/7050N 84T-U07/08-700

MODEL HL-7050/7050N 84T-U07/08-420

21-5 1-13

1-13

1-5

1-7

1-6

1-8

1-10

1-9

1-12 1-11

1-4

1-12 1-5

1-5

1-3

1-2

1-1

1-3

1-14 1-15

1-14 1-1

1-15

5. PAPER FEED

REF.NO. CODE Q'TY DESCRIPTION

1LJ0270001 1PAPER FEED ROLLER ASSY 45 *1

2LJ0273001 1PE SENSOR ACTUATOR

3LJ9055001 1TRAY PE SENSOR PCB ASSY

4LJ0279001 2BEARING

5LJ0284001 6PAPER FEED ROLLER BEARING

6LJ1290001 1PAPER FEED ROLLER TR

7LJ1297001 1PAPER FEED ROLLER MP

8LJ1300001 1PAPER FEED ROLLER A4

9LJ1313001 1FOAM HOLDER A4 ASSY

10 LJ1322001 2HOLDER SPRING A4

11 LJ1324001 2FOAM HOLDER ASSY

12 LJ1330001 4HOLDER SPRING

13 LJ1293001 2PAPER FEED ROLLER

14 LJ1168001 5COLLAR 8

15 LJ1302001 1PINCH ROLLER A4

16 LJ1175001 5COLLAR 6

17 LJ1741001 1STOPPER SPRING

MODEL HL-7050/7050N 84T-U07/08-600

6. MP TRAY

REF.NO. CODE Q'TY DESCRIPTION

1LJ0295001 1SEPARATION PLATE ASSY MP

2LJ0298001 1SEPARATION PAD SPRING MP

3LJ0299001 1PLATE ASSY MP

4LJ0305001 2PLATE SPRING MP

5LJ0307001 1SOLENOID ASSY MP

6LJ0309001 1SOLENOID SPRING MP

7LJ0311001 1PAPER FEED ROLLER ASSY MP

8LJ1332001 1ROLLER COVER ASSY MP

8-1 LJ9057001 1MP PE SENSOR PCB ASSY

8-2 LJ0328001 1PE SENSOR ACTUATOR MP

8-3 LJ0329001 1PE SENSOR ACTUATOR 2 MP

9LJ0330001 1TRAY ASSY MP

10 LJ0334001 1TRAY COVER ASSY MP

10-1 LJ0337001 2TRAY COVER ROCK SPRING

11 085310815 5 TAPTITE, BIND B M3X8

12 085320816 4 TAPTITE, BIND S M3X8

13 U11776001 1SCREW, FLANGED M3X3.5

14 LJ1741001 1STOPPER SPRING

MODEL HL-7050/7050N 84T-U07/08-630

REMARK

*1 A component part of the

PAPER FEEDING KIT.

Refer to "18. PERIODICAL

MAINTENCE PARTS".

- 7 -

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