Brother HL-1870N Part List

Page 1
Brother Laser Printer
PARTS REFERENCE LIST
MODEL: HL-1850/1870N
Read this list thoroughly before maintenance work.
Keep this list in a convenient place for quick and easy reference at all times.
January 2002 PL-PRN031
Page 2
NOTE FOR USING THIS PARTS REFERENCE LIST
(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 >
(1)
REF.NO. CODE QTY DESCRIPTION SYMBOL REMARK
Revision No.: marked on the main printed circuit board.
(2)
(3)
(4)
B48K056 - 201A
Design change indication Specification No . Pattern alteration No. Circuit board No.
Revision No.: marked on the power supply printed circuit board.
Rev. A
Design change indication
(The first version has no sign.)
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.
Page 3

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
Page 4
1. FRAME / DRIVE UNIT PR2002076
REF.NO.
REF.NO.
CODE Q'TY DESCRIPTION SYMBOL REMARK 1 LJ5980001 1 MAIN MOTOR ASSY HE 2 LJ5969001 1 FEED SOLENOID ASSY HE 3 LJ5973001 1 SOLENOID ASSY 04C4 4 LJ5976001 1 SOLENOID ASSY 04C5 5 LJ5208001 2 LOCK LEVER SPRING 6 LJ5307001 1 TONER LED PCB UNIT (EMISSION) 7 LJ8357001 1 SOL RELAY PCB ASSY 8 LJ5088001 1 REVERSING SWITCH SOLENOID 9 LJ5015001 1 T-BELT B40S2M142 10 LJ5100001 1 TONER SENSOR PCB UNIT (RECEPTION) 11 UL8507001 4 RUBBER FOOT 12 LJ5925001 1 GEAR 21H 13 UL9069001 2 CONDUCTOR BUSH 5 14 LJ5533001 1 CONDUCTOR BUSH H 15 LJ5117001 1 FAN MOTOR 60 16 LJ8363001 1 DX SENSOR PCB ASSY 17 LJ8724001 3 TAPE 60X12 18 LE1169001 1 USB 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 1 FUSER DRIVE GEAR 1HE
24 LJ5967001 1 FUSER DRIVE GEAR 2HE 25 LJ5930001 1 FEED ROLLER GEAR SHAFT
26 LJ5114001 1 SPRING, EXTENSION P/R ADD
MODEL HL-1850/1870N 84U-Z23/Z24-010
T/I NO. PR2002076

2. LASER UNIT

CODE Q'TY DESCRIPTION SYMBOL REMARK 1 LJ7004001 1 LASER UNIT (SP) 2 087321615 3 TAPTITE, CUP S M3X16
MODEL HL-1850/1870N 84U-Z23/Z24-020
- 2 -
Page 5
1. FRAME / DRIVE UNIT
PR2002076
19
19
19
17
23
17
21
5
2
6
20
9
7
15
10
8
19
16
18
24
1
19
17
22
11
20
4
19
12
11
25
13
14
26
11
3
13
T/I NO. PR2002076
2. LASER UNIT
MODEL HL-1850/1870N 84U-Z23/Z24-010
2
2
1
2
MODEL HL-1850/1870N 84U-Z23/Z24-020
- 1 -
Page 6

3. PAPER FEEDER / MP UNIT PR2002067

REF.NO.
RESIST REAR ACTUATOR SPRING
CODE Q'TY DESCRIPTION REMARK 1 UL9059001 2 JOINT 5 2 UL9060001 1 FEED ROLLER ASSY 3 UL9062001 2 BUSH 5 4 LJ5146001 1 FIRST FEED ROLLER ASSY 5A LJ5016001 1 PAPER PICK-UP ROLLER ASSY *1 5B LJ5016001 1 PAPER PICK-UP ROLLER ASSY 6 LJ5020001 2 BUSH L 7 LJ5021001 2 BUSH R
*1 A component part of the PAPER FEEDING KIT. Refer to "16. PERIODICAL
MAINTENCE PARTS".
8 LJ5184001 1 SEPARATION PLATE ASSY 9 LJ5188001 1 MP PRESSURE PLATE ASSY 10 LJ5197001 1 MP COVER 11 LJ5199001 1 MP PAPER GUIDE 1 12 LJ5200001 1 MP SIDE GUIDE L 13 LJ5201001 1 MP SIDE GUIDE R 14 LJ5203001 1 MP PAPER GUIDE 2 15 LJ5204001 1 MP PAPER GUIDE 3 16 LJ5013001 1 PROCESS UNIT COVER ASSY 16-1 LJ5205001 1 PROCESS UNIT COVER 16-2 LJ5206001 1 P COVER LOCK LEVER L 16-3 LJ5207001 1 P COVER LOCK LEVER R 16-4 LJ5208001 1 LOCK LEVER SPRING 17 LJ8365001 1 CASSETTE SENSOR PCB ASSY 18 LJ8367001 1 MP 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 1 RESIST FRONT ACTUATOR 23 LJ5132001 1 RESIST FRONT ACTUATOR SPRING 24 LJ5626001 1 STOPPER H 25 LJ5133001 1 RESIST REAR ACTUATOR 26 LJ5134001 1 27 LJ7073001 1 PE ACTUATOR H 28 LJ5155001 1 CA ACTUATOR 29 LJ5162001 1 MP-PE SENSOR ACTUATOR 1 30 LJ5163001 1 MP-PE SENSOR ACTUATOR 2 31 LJ5915001 2 ROLLER COLLAR SPRING 32 LJ5916001 2 ROLLER COLLAR WASHER
33A LJ5150001 2 ROLLER COLLAR 33B LJ5150001 2 ROLLER COLLAR
T/I NO. PR2002067
MODEL HL-1850/1870N 84U-Z23/Z24-010
- 4 -
Page 7
3. PAPER FEEDER / MP UNIT
PR2002067
26
25
2
33B
3
1
33B
6
7
5B
18
8
29
11
30
19
13
12
21
9
15
17
22
2324
3
4
1
5A
31
33A
33A
31
10
7
32
14
16
32
6
16-4
16-3
27
28
16-2
16-1
20
T/I NO. PR2002067
MODEL HL-1850/1870N 84U-Z23/Z24-041
- 3 -
Page 8

4. DUPLEX

REF.NO.
CODE Q'TY DESCRIPTION REMARK 1 LJ5216001 1 EXIT ROLLER UNIT 1-1 LJ5220001 1 EXIT ROLLER ASSY ZLH 1-2 UL9122001 4 PINCH ROLLER ASSY 1-3 UL9125001 4 PINCH ROLLER SPRING 1-4 LJ8364001 1 REAR COVER SENSOR PCB ASSY 1-5 085411015 2 TAPTITE, BIND B M4X10 1-6 087310815 1 TAPTITE, CUP B M3X8 2 LJ5222001 1 DX OUTER CHUTE ASSY 2-1 LJ5223001 1 DX OUTER CHUTE 2-2 LJ5224001 1 FRAP 2 2-3 LJ5225001 1 FRAP 2 SPRING 3 LJ5226001 1 DX REAR CHUTE 4 LJ5227001 1 REAR COVER C 5 LJ5990001 1 FAN MOTOR 60 B UNIT 6 LJ7091001 1 DX FEED ASSY HE 6-1 LJ7092001 3 ROLLLER HOLDER HE 6-2 UH2360000 5 PRESSURE ROLLER 6-3 LJ5233001 1 GROUND WIRE 6-4 LJ5235001 1 DX FEED ROLLER ASSY 6-5 LJ5238001 2 SIDE REGIST ROLLER 6-6 LJ5015001 1 T-BELT B40S2M142 6-7 LJ5240001 1 T-BELT B40S2M224 6-8 LJ5241001 1 SIDE REGIST ROLLER HOLDER 6-9 LJ5248001 1 GUIDE ACTUATOR 6-10 LJ5249001 1 GUIDE ACTUATOR SPRING 6-11 LJ5250001 1 DX PAPER ACTUATOR 6-12 LJ5251001 1 PAPER ACTUATOR SPRING 6-13 LJ5616001 1 SHOULDER 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 7 LJ5237001 1 DRIVE GEAR 14
MODEL HL-1850/1870N 84U-Z23/Z24-042
- 5 -
Page 9
4. DUPLEX
5
1-5
1
1-5
1-2
1-6
1-2
1-4
1-1
2-3
2-1
2
1-3
6
1-3
6-14
2-2
6-14
6-15
6-3
6-14
3
6-7
6-13
6-1
6-6
6-5
6-9
6-12
6-10
6-2
6-1
6-2
6-11
6-8
4
6-4
6-16
MODEL HL-1850/1870N 84U-Z23/Z24-042
- 6 -
7
Page 10

5. PAPER CASSETTE PR2002029

REF.NO.
CODE Q'TY DESCRIPTION REMARK
1 LJ7090001 1 PAPER TRAY ASSY HE BRO CHNG
1-1 LJ4537001 1 PRESSURE PLATE ASSY LGL 1-2 UL9077001 2 PERSSURE PLATE SPRING 1-3 UL9078001 1 SIDE GUIDE L 1-4 UL9079001 1 SIDE GUIDE R 1-5 UL9080001 2 SIDE GUIDE RACK 1-6 UL9081001 1 SIDE GUIDE GEAR 1-7 UL9082001 1 FRICTION SPRING 1-8 LJ5919001 1 PAD HOLDER ZLH ASSY JPN *2 1-9 LJ5923001 1 SEPARATION PAD SPRING 350 1-10 LJ5259001 1 PAPER INDICATOR 1-11 UL9092001 1 LOCK LEVER
*2 A component part of the PAPER FEEDING KIT. Refer to "16. PERIODICAL
MAINTENCE PARTS".
1-12 UL9095001 1 HELICAL EXTENSION SPRING 1-13 LJ4196001 1 PRESSURE ROLLER HOLDER 1-14 LJ5260001 1 PRESSURE ROLLER COLLAR 1-15 LJ5261001 1 PRESSURE ROLLER SHAFT 1-16 LJ4197001 1 PAPER TRAY COVER 1-17 LJ4272001 1 TRAY COVER FILM 1-18 LJ4221001 1 SCRATCH SPONGE HOLDER ASSY 1-19 LJ4200001 2 SCRATCH SPONGE SPRING 1-20 LJ5011001 1 TRAY LOCK LEVER 1-21 UL9083001 1 PAPER REAR GUIDE 1-22 UU0231001 1 TAPTITE, PAN B M3X8 1-23 087310815 1 TAPTITE, CUP B M3X8 1-24 UF8709001 1 TAPTITE, TORX PAN B M3X8
MODEL HL-1850/1870N 84U-Z23/Z24-045
T/I NO .PR2002029
- 8 -
Page 11
5. PAPER CASSETTE
1
1-3
1-4
1-8
1-1
1-21
1-14
1-9
1-15
1-18
1-19
1-2
1-13
1-5
1-20
1-22
1-7
1-6
1-23
1-16
1-24
MODEL HL-1850/1870N 84U-Z23/Z24-046
- 7 -
1-12
1-10
1-11
1-17
Page 12

6. FIXING UNIT

REF.NO.
CODE Q'TY DESCRIPTION REMARK 1 LJ7005001 1 FIXING UNIT, 115V (SP) 1 LJ7006001 1 FIXING UNIT, 230V (SP) 1-3 LJ5937001 1 HEAT ROLLER 25 HE 1-4 UL8908001 2 HR BEARING 25 1-5 LJ5939001 1 HALOGEN LAMP, 115V HE 1-5 LJ5944001 1 HALOGEN LAMP, 230V HE 1-6 LJ5276001 2 EJECT PINCH ROLLER HOLDER L 1-7 LJ5277001 2 EJECT PINCH ROLLER HOLDER R 1-8 LJ5540001 8 EJECT PINCH ROLLER F 1-9 LJ5279001 4 EJECT PINCH SPRING 1-10 LJ5280001 4 PICK OFF FINGER ASSY 2 1-11 LJ5942001 1 THERMISTOR ASSY HE 1-12 UL8916001 2 PR BUSH 1-13 LJ5984001 2 PR SPRING HE 1-14 LJ5268001 5 CLEANER PINCH ROLLER ASSY 1-15 LJ5287001 1 PRESSURE ROLLER 25 1-16 LJ8949001 1 THERMISTOR RELAY PCB ASSY 1-17 LJ5289001 1 PAPER EJECT ACTUATOR 1-18 LJ5066001 1 EJECT ACTUATOR SPRING 1-19 LJ8366001 1 EJECT SENSOR PCB ASSY 1-20 087310615 1 TAPTITE, CUP B M3X6 1-21 087311215 1 TAPTITE, CUP B M3X12 1-22 085311015 1 SCREW, BIND B TITE 3X10 1-23 LJ8405001 1 HEATER HARNESS ASSY 1-24 LJ5938001 1 HR GEAR 34 HE 1-25 LJ5941001 2 SCREW, PAN (WASHER) M2.6X6
MODEL HL-1850/1870N 84U-Z23/Z24-050
- 10 -
Page 13
6. FIXING UNIT
1-17
1
1-9
1-18
1-9
1-23
1-7
1-8
1-20
1-6
1-8
1-10
1-22
1-16
1-24
1-25
1-12
1-19
1-4
1-11
1-2
1-1
1-25
1-14
1-4
1-21
1-3
1-5
1-12
1-13
1-15
1-13
MODEL HL-1850/1870N 84U-Z23/Z24-050/051
- 9 -
Page 14

7. COVERS

REF.NO.
CODE Q'TY DESCRIPTION REMARK 1 LJ5004001 1 SIDE COVER R 2 LJ5630001 1 SIDE COVER L ASSY 3 LJ5291001 1 PAPER STOPPER 4 LJ5599001 1 PAPER STOPPER S 5 LJ5293001 1 TOP COVER 6 LJ5294001 1 PANEL COVER ASSY 6-1 LJ5295001 1 PANEL COVER 6-2 LJ5296001 1 PANEL LIGHT GUIDE 6-3 LJ5297001 1 KEY 6-4 LJ5298001 1 KEY TOP A 6-5 LJ5299001 1 KEY TOP B 6-6 LJ8361001 1 PANEL PCB ASSY 6-7 LJ5301001 1 LCDLMG161S6-TPT 6-8 LJ8362001 1 BACK LIGHT PCB ASSY 6-9 LJ5073001 1 DIFFUSION FILM 6-10 LJ5302001 1 LCD HOLDER 6-11 087310815 3 TAPTITE, CUP B M3X8 6-12 087311015 3 TAPTITE, CUP B M3X10 7 LJ5006001 1 ACCESS COVER 8 LJ5007001 1 REAR COVER R 9 LJ5008001 1 REAR COVER L 10 LJ5030001 1 BROTHER EMBLEM 11 LJ5955001 1 PRINTED LCD COVER ASSY 1850 11 LJ5995001 1 PRINTED LCD COVER ASSY 1870N 12 LJ5579001 1 LASER CAUTION LABEL H 13 LJ5933001 1 HEATER CAUTION LABEL REAR 14 LJ5898001 1 MYLAR LABEL 1850 FRONT 16 UH0905001 1 PATENT LABEL (US) 16 LJ4421001 1 MARKING LABEL N/S (Norway/Sweden) 16 LJ4541001 1 HOT LINE LABEL (Swiss) 16 UH3297001 1 C-TICK MARK (Australia) 17 UF9823001 6 SHOULDER SCREW
MODEL HL-1850/1870N 84U-Z23/Z24-060
- 12 -
Page 15
7. COVERS
13
11
6
17
15
6-1
6-11
14
4
16
6-11
10
3
6-7
6-9
5
17
6-10
6-8
6-5
6-2
6-11
6-4
6-3
6-6
6-12
9
17
17
7
8
2
12
17
1
17
MODEL HL-1850/1870N 84U-Z23/Z24-061
- 11 -
Page 16

8. MAIN PCB

REF.NO.
CODE Q'TY DESCRIPTION SYMBOL REMARK 1 LJ8944001 1 MAIN PCB ASSY 1850 / 1870N B512078-460 1-1 LJ8905001 1 DIMM 16M
MODEL HL-1850/1870N 84U-Z23/Z24-010
- 14 -
Page 17
8. MAIN PCB
1-1
1
MODEL HL-1850/1870N 84U-Z23/Z24-101
- 13 -
Page 18

9. ENGINE PCB

REF.NO.
REF.NO.
CODE Q'TY DESCRIPTION SYMBOL REMARK 1 LJ8947001 1 ENGINE PCB ASSY 1850 / 1870N B512079-211
MODEL HL-1850/1870N 84U-Z23/Z24-051

10. LOW-VOLTAGE POWER SUPPLY PCB

CODE Q'TY DESCRIPTION 1 LJ8388001 1 PS PCB ASSY ZLH, 115V 1 LJ8389001 1 PS PCB ASSY ZLH, 230V 2 LJ8424001 1 POWER SWITCH RIGHT ANGLE 3 LJ8391001 1 INLET HARNESS ASSY, 115V 4 LJ8723001 2 TAPE 50X40 5 087320615 3 SCREW, CUP S TITE 3X6 6 0A5350606 1 SCREW, PAN M3.5X6 (S/P WASHER)
REMARK
MODEL HL-1850/1870N 84U-Z23/Z24-200
- 16 -
Page 19
9. ENGINE PCB
1
MODEL HL-1850/1870N 84U-Z23/Z24-151
10. LOW-VOLTAGE POWR SUPPLY PCB
3
5
6
2
4
5
1
MODEL HL-1850/1870N 84U-Z23/Z24-201
- 15 -
Page 20

11. HIGH-VOLTAGE POWER SUPPLY PCB

CODE Q'TY DESCRIPTION REMARK 1 LJ8422001 1 HIGH-VOLTAGE PS PCB ASSY ZLH 2 085411015 1 TAPTITE, BIND B M4X10
MODEL HL-1850/1870N 84U-Z23/Z24-220

12. AC CORDS

CODE Q'TY DESCRIPTION REMARK 1A LJ8875001 1 AC CORD, UL/CSA 1B LJ8879001 1 AC CORD ASSY, SAA 1C LJ8877001 1 AC CORD ASSY, SEV 1E UH1054001 1 AC CORD, BS 1F U34322001 1 AC CORD #6, ISRAEL 1G UK4094001 1 AC CORD, DEMKO 1H LJ8876001 1 AC CORD ASSY, VDE 1I LJ8288001 1 AC CORD ASSY, SOUTH AFRICA
MODEL HL-1850/1870N 84U-Z23/Z24-230
- 18 -
Page 21
11. HIGH-VOLTAGE POWER SUPPLY PCB
1
12. AC CORDS
1A
1B
1C
2
MODEL HL-1850/1870N 84U-Z23/Z24-220
1F
1G
1H
1D
1E
1I
MODEL HL-1850/1870N 84U-Z23/Z24-230
- 17 -
Page 22

13. ACCESSORIES PR2002069

REF.NO.
CODE Q'TY DESCRIPTION REMARK
1 LJ5947001 1 CD ASSY 1850/1870N Ver.B Ver.CHNG
2 LJ5948001 1 SET GUIDE HE US 2 LJ7029001 1 SET GUIDE HE FRE 2 LJ5961001 1 SET GUIDE HE GER 2 LJ7033001 1 SET GUIDE HE NOR 2 LJ7030001 1 SET GUIDE HE NL 2 LJ7035001 1 SET GUIDE HE DEN 2 LJ7032001 1 SET GUIDE HE SPA 2 LJ7031001 1 SET GUIDE HE ITA 2 LJ7034001 1 SET GUIDE HE SWE 3 LJ5996001 1 WIN DRIVER GUIDE US 3 LJ7036001 1 WIN DRIVER GUIDE FRE 3 LJ5997001 1 WIN DRIVER GUIDE GER 3 LJ7040001 1 WIN DRIVER GUIDE NOL 3 LJ7037001 1 WIN DRIVER GUIDE NL 3 LJ7042001 1 WIN DRIVER GUIDE DEN 3 LJ7039001 1 WIN DRIVER GUIDE SPA 3 LJ7038001 1 WIN DRIVER GUIDE ITA 3 LJ7041001 1 WIN DRIVER GUIDE SWE 4 LJ5998001 1 MAC DRIVER GUIDE US 4 LJ7043001 1 MAC DRIVER GUIDE FRE 4 LJ5999001 1 MAC DRIVER GUIDE GER 4 LJ7047001 1 MAC DRIVER GUIDE NOR 4 LJ7044001 1 MAC DRIVER GUIDE NL 4 LJ7049001 1 MAC DRIVER GUIDE DEN 4 LJ7046001 1 MAC DRIVER GUIDE SPA 4 LJ7045001 1 MAC DRIVER GUIDE ITA 4 LJ7048001 1 MAC DRIVER GUIDE SWE 5 LJ4961001 1 BAG, 215X350H
T/I NO. PR2002069
MODEL HL-1850/1870N 84U-Z23/Z24-920
- 20 -
Page 23
13. ACCESSORIES
1
2
3
4
5
MODEL HL-1850/1870N 84U-Z23/Z24-920
- 19 -
Page 24

14. PACKING MATERIALS

REF.NO.
REF.NO.
CODE Q'TY DESCRIPTION REMARK 1 LL0540001 1 CARTON, HL-1850 US 1 LL0543001 1 CARTON, HL-1870N US 1 LL0541001 1 CARTON, HL-1850 EUR 1 LL0544001 1 CARTON, HL-1870N EUR 2 LL0282001 1 STYROFORM PAD ASSY 4 LJ5583001 1 BAG, 800X900H 5 LJ5557001 1 PROCESS BAG 400X480
MODEL HL-1850/1870N 84U-Z23/Z24-930

15. NETWORK BOARD

CODE Q'TY DESCRIPTION SYMBOL REMARK 1 LJ8671001 1 BRNET PCB UNIT 4100H B512058-211A 1-1 087320616 2 TAPTITE, CUP S M3X6
MODEL HL-1870N 84U-Z24-150
- 22 -
Page 25
14. PACKING MATERIALS
2
2
3
5
1
MODEL HL-1850/1870N 84U-Z23/Z24-930
4
15. NETWORK BOARD
1
1-1
1-1
MODEL HL-1870N 84U-Z24
- 21 -
Page 26

16. PERIODICAL MAINTENANCE PARTS

CODE Q'TY DESCRIPTION REMARK 1 LJ5927001 1 PAPER FEEDING KIT 1-1 LJ5016001 1 PAPER PICK-UP ROLLER ASSY *1 1-2 LJ5919001 1 PAD HOLDER ZLH ASSY *2
*1 Refer to "3. PAPER FEEDER / MP UNIT". *2 Refer to "5. PAPER CASSETTE ".
MODEL HL-1850/1870N 84U-Z23/Z24-010
- 24 -
Page 27
16. PERIODICAL MAINTENANCE PARTS
1-1
1
1-2
MODEL HL-1850/1870N 84U-Z23/Z24
- 23 -
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