Brother HL-7050 Series User manual

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PA AR RT TS S R RE EF FE ER RE EN NC CE E L LI IS ST T
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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
2
6
13
13
13
29
33
34
34
30
15
32
16
1
9
18
19
20
21
22
22
24
24
25
25 31
31
26
27 27
23
17
10
3
4
7
8
14
5
5
3
3
11 12
28

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
1
2
3
4
5
6
7

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
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
1
2
2
1
3
2
21-5 1-13
1-13
1-5
1-7
1-6
1-8
1-10
1-9
1-12 1-11
1-4
1-4
1-12 1-5
1-5
1-3
1-2
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
REMARK
*1 A component part of the
PAPER FEEDING KIT.
Refer to "18. PERIODICAL
MAINTENCE PARTS".
- 7 -

5. PAPER FEED
6. MP TRAY
- 8 -
MODEL HL-7050/7050N 84T-U07/08-600
MODEL HL-7050/7050N 84T-U07/08-630
88-2
8-3
12
8-1
4
4
3
1
11
11
2
7
9
10 10-1
10-1
12
12
12
5
6
11
11
13
2
34
1
6
7
516
16
14
14
14
14
14
8
9
15
10
5
10
13
5
16 12
12
11
5
516
13
5
16
12
12
11
4
17

7. PAPER TRAY
REF.NO.
CODE Q'TY DESCRIPTION REMARK
1LJ1299001 1PAPER TRAY UNIT (SP)
1-1 LJ0228001 1PAPER TRAY COVER
1-2 LJ0341001 1SIDE GUIDE L
1-3 LJ1335001 1SIDE GUIDE R ASSY
*3
1-4 LJ0819001 2SIDE GUIDE RACK 2
1-5 UL9081001 1SIDE GUIDE GEAR
1-6 LJ1649001 1REAR GUIDE ASSY 2
1-7 LJ0347001 2SUPPORTER STOPPER SPRING
1-8 LJ0348001 2SUPPORTER STOPPER L
1-9 LJ0351001 1EX REAR TRAY
1-10 LJ1660001 1SIZE DETECTION LINK 2
1-11 LJ0358001 1SIZE DETECTION LINK SPRNG
1-12 LJ0359001 1SIZE DETECTION CAM
*3
1-13 LJ0360001 1TRAY 1D DETECTION CAM
1-14 LJ0361001 1LTR/LGL DETECTION CAM
1-15 LJ0362001 1LTR/LGL DETECTION CAM SPRING
1-16
LJ0374001
1
SEPARATION PAD ASSY
*2
1-17 LJ0377001 1SEPARATION PAD SPRING
1-18 LJ0809001 1PAPER TRAY LABEL *4
1-19 085411015 6 TAPTITE, BIND B M4X10
1-20 UU0552001 1TAPTITE, CUP B 3X8
1-21 LJ1338001 1SGR GROUND PLATE
1-22 LJ1339001 1SGR EXTENSION SPRING
MODEL HL-7050/7050N 84T-U07/08-650
*2 A component part of the
PAPER FEEDING KIT.
Refer to "18. PERIODICAL
MAINTENCE PARTS".
*3
When either of the SIDE
GUIDE R ASSY
(LJ0729001) or the SIZE
DETECTION CAM
(LJ0359001) needs to be
replaced, be sure to
replace the both part
at the same time.
*4 Except for US and
Canada.
(This label has already been
attached to the paper tray unit
for US and canada.)
- 9 -

MODEL HL-7050/7050N 84T-U07/08-650
- 10 -
1-1
1-10
1-11 1-12
1-13
1-14
1-15
1-16
1-17
1-18
1-19
1-19
1-19
1-19
1-19 1-19
1-2 1-3
1-4 1-20
1-21
1-22
1-5
1-6
1-7
1-8
1-9
1-8
1-7

8. FIXING UNIT
REF.NO.
CODE Q'TY DESCRIPTION REMARK
1LJ1470001 1FIXING UNIT, 115V (SP)
1LJ1473001 1FIXING UNIT, 230V (SP)
1-1 LJ1778001 1HEAT ROLLER 34AM ASSY
1-2 LJ1350001 1H/R GEAR 45
1-3 LJ0772001 4EJECT PRESSURE ROLLER F
1-4 LJ0424001 4PRESSURE SPRING
1-5 LJ1686001 4SEPARATE PAWL AM
1-6 LJ1735001 4SEPARATE PAWL SPRING AM
1-7 LJ1356001 1FU ACTUATOR AM
1-8 LJ0430001 1FU ACTUATOR SPRING
1-9 LJ1712001 1CLEANER ROLLER ASSY AM
1-10 LJ0109001 1EJECT ROLLER ASSY
1-11 087311415 2 TAPTITE, CUP B M3X14
1-12 LJ1359001 1PRESSURE ROLLER 35
1-13 LJ1344001 1THERMISTOR ASSY AMC
1-14 LJ1345001 1THERMISTOR ASSY AMS
1-15 LJ1717001 1THERMOSTAT B
1-16 LJ1634001 1THERMOSTAT A
1-17 LJ1475001 1FIXING HEATER 115C ASSY (SP)
1-18 LJ1476001 1FIXING HEATER 115S ASSY (SP)
1-19 LJ1477001 1FIXING HEATER 230C ASSY (SP)
1-20 LJ1478001 1FIXING HEATER 230S ASSY (SP)
1-21 LJ1359001 1PRESSURE ROLLER 35
1-22 LJ9152001 1EJECT SENSOR PCB ASSY
MODEL HL-7050/7050N 84T-U07/08-770
- 11 -

8. FIXING UNIT
-12 -
MODEL HL-7050/7050N 84T-U07/08-770
1-17,18
1-19,20
1-5
1-5
1-5
1-5
1
1-6
1-6
1-6
1-6
1-8
1-7
1-3
1-3
1-4
1-4
1-15
1-16
1-13 1-11
1-9
1-10
1-12
1-21
1-22
1-11
1-14
1-1
1-2

9. COVERS / LABELS
REF.NO.
CODE Q'TY DESCRIPTION REMARK
1LJ0062001 1TOP COVER
2LJ0063001 1PAPER ACTUATOR
3LJ0830001 1ACTUATOR PLATE FILM
4LJ0065001 1EJECT DISCHARGING BRUSH
5LJ9029001 1FULL SENSOR PCB ASSY
6LJ0066001 1SWING PAPER TRAY
7LJ0067001 2SWING PAPER TRAY SPRING
8LJ0068001 1MX CAP B
9LJ0069001 1MX CAP C
10 LJ1707001 1MX CAP A2
11 LJ0071001 1OPEN COVER
12 UH1540002 1PAPER STOPPER
13 UH1541002 1PAPER STOPPER GUIDE
14 LJ0072001 1FRONT COVER 1
15 LJ1085001 1SIDE COVER L
16 LJ1086001 1SIDE COVER R 1
17 087320816 16 TAPTITE, CUP S M3X8
18 LJ1087001 1SIDE COVER R 2
19 LJ1088001 1REAR COVER ASSY
20 LJ0094001 1FLAP
21 LJ0095001 1FLAP SPRING L
22 LJ0096001 1FLAP SPRING R
23 LJ1654001 1FU PROTECTION COVER UPPER
24 LJ1655001 1FU PROTECTION COVER LOWER
25 LJ0806001 1FU PROTECTION COVER SPRING L
26 LJ0807001 1FU PROTECTION COVER SPRING R
27 LJ1566001 1ACTUATOR SPRING
27 LJ1782001 1ACTUATOR SPRING E
28 LJ0097001 2SHOULDER SCREW
29 LJ0913001 1REAR FILM
30 LJ1709001 1REAR TRAY ASSY 3
31 LJ5030001 1BROTHER EMBLEM
MODEL HL-7050/7050N 84T-U07/08-400
- 13 -

MODEL HL-7050/7050N 84T-U07/08-400
9. COVERS / LABELS
- 14 -
14
17
17
17
17
23
28
24
25
26
15
17
17
21
22
19
20
29
30
10
17
31
17
2
27
47
9
35
11
12
17
17
13
16
18 17
17
1
8
6
28
17

10. SWITCH PANEL
REF.NO.
CODE Q'TY DESCRIPTION
1LJ1097001 1SW PANEL UNIT
2LJ0849001 1PRINTED PANEL COVER
3LJ0100001 1LCD HOLDER
4LJ0456001 1DIFFUSION FILM
5LJ5296001 1PANEL LIGHT GUIDE
6LJ5297001 1KEY
7LJ5298001 1KEY TOP A
8LJ5299001 1KEY TOP B
9LJ0103001 1PANEL REAR COVER
10 LJ9031001 1PANEL PCB ASSY
11 LJ8529001 1LCD:LMG16D2
12 LJ9033001 1BACK LIGHT PCB ASSY
13 LJ1592001 1CLEAR PANEL ASSY HL-7050
14 087310816 5 TAPTITE, CUP B M3X8
MODEL HL-7050/7050N 84T-U07/08-410
11. MAIN PCB
REF.NO.
CODE Q'TY DESCRIPTION SYMBOL REMARK
1LJ8994001 1MAIN PCB ASSY, HL-7050 200J
MODEL HL-7050/7050N 84T-U07/08-103
REMARK
- 15 -

10. SWITCH PANEL
11. MAIN PCB
- 16 -
3
14
2
45
6
11
12
13
14
10
14
14
9
7
8
1
1
MODEL HL-7050/7050N 84T-U07/08-410
MODEL HL-7050/7050N 84T-U07/08-103

12. ENGINE PCB
REF.NO.
CODE Q'TY DESCRIPTION SYMBOL REMARK
1LJ9006001 1ENGINE PCB ASSY, HL-AM
2LJ0821001 2ENGINE PCB SUPPORT
MODEL HL-7050/7050N 84T-U07/08-104
13. HIGH-VOLTAGE POWER SUPPLY PCB
REF.NO.
CODE Q'TY DESCRIPTION SYMBOL REMARK
1LJ9018001 1HVPS PCB ASSY, AM
2LJ0051001 2TRANSFER PLATE
3 087320616 1 TAPTITE, CUP S M3X6
4 085411015 2 TAPTITE, BIND B M4X10
MODEL HL-7050/7050N 84T-U07/08-200
- 17 -