Brother HL-1870N Part List

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

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 >

	(1)	(2)	(3)	(4)
REF.NO.	CODE	Q’TY	DESCRIPTION	SYMBOL	REMARK

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

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.

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
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
REF.NO.	CODE	Q'TY	DESCRIPTION	SYMBOL	REMARK

1LJ7004001 1 LASER UNIT (SP)

2087321615 3 TAPTITE, CUP S M3X16

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

- 2 -

1. FRAME / DRIVE UNIT

PR2002076

				6	5	20	7
			2
	9						15
							10
		8					19
19	21					16
							18
	23
	24	19
	1
		17				22
			11				11
19
			25
		12					20
	19		13				4
	17			14
	17						3
19	26				11
				13
T/I NO. PR2002076			MODEL	HL-1850/1870N		84U-Z23/Z24-010

2. LASER UNIT

	2	2
2	1
MODEL	HL-1850/1870N 84U-Z23/Z24-020
	- 1 -

3. PAPER FEEDER / MP UNIT				PR2002067
REF.NO.	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	*1 A component part of the
5B	LJ5016001	1	PAPER PICK-UP ROLLER ASSY	PAPER FEEDING KIT.
6	LJ5020001	2	BUSH L	Refer to "16. PERIODICAL
7	LJ5021001	2	BUSH R	MAINTENCE PARTS".

8LJ5184001 1 SEPARATION PLATE ASSY

9LJ5188001 1 MP PRESSURE PLATE ASSY

10

LJ5197001

1 MP COVER

11LJ5199001 1 MP PAPER GUIDE 1

12LJ5200001 1 MP SIDE GUIDE L

13LJ5201001 1 MP SIDE GUIDE R

14LJ5203001 1 MP PAPER GUIDE 2

15LJ5204001 1 MP PAPER GUIDE 3

16LJ5013001 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

17LJ8365001 1 CASSETTE SENSOR PCB ASSY

18LJ8367001 1 MP SENSOR PCB ASSY

19087310815 1 TAPTITE, CUP B M3X8

20085311015 1 SCREW, BIND B TITE 3X10

21087310615 1 TAPTITE, CUP B M3X6

22LJ5131001 1 RESIST FRONT ACTUATOR

23LJ5132001 1 RESIST FRONT ACTUATOR SPRING

24

LJ5626001

1 STOPPER H

25LJ5133001 1 RESIST REAR ACTUATOR

26LJ5134001 1 RESIST REAR ACTUATOR SPRING

27LJ7073001 1 PE ACTUATOR H

28LJ5155001 1 CA ACTUATOR

29LJ5162001 1 MP-PE SENSOR ACTUATOR 1

30LJ5163001 1 MP-PE SENSOR ACTUATOR 2

31LJ5915001 2 ROLLER COLLAR SPRING

32LJ5916001 2 ROLLER COLLAR WASHER

33A	LJ5150001	2 ROLLER COLLAR
33B	LJ5150001	2 ROLLER COLLAR

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

T/I NO. PR2002067

- 4 -

3. PAPER FEEDER / MP UNIT	PR2002067

			2		3	33B
	1
					33B
				6			7
			18			5B
						8
							29	11
						30
					19
								13
						12		21
		9
	25					15
26
	22
24	23					14
	3		7	10
	4
			33A
	1	5A	31
	33A 31
			32					16
	32						16-3
	6	16-4
	27
17		16-2
	28							16-1
	20
	MODEL HL-1850/1870N 84U-Z23/Z24-041
T/I NO. PR2002067

- 3 -

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

3LJ5226001 1 DX REAR CHUTE

4LJ5227001 1 REAR COVER C

5LJ5990001 1 FAN MOTOR 60 B UNIT

6LJ7091001 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 -

4. DUPLEX

		5
					1-5
	1	1-5
				1-2	1-6
		1-2			1-4
		1-1
2				1-3
			1-3
2-1
	6
	6-14	6-14		6-15
2-2		6-3
2-3				6-14
		6-13			6-1
	6-7
3
		6-6
	6-5	6-10	6-2	6-1	6-2
	6-9	6-12
	6-11
4		6-8
					6-4
	6-16				7
MODEL	HL-1850/1870N 84U-Z23/Z24-042
	- 6 -