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Brother International 9870 Service Manual - Page 275

List8adf&tray, Mfc9600, Dcp1200

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List8(ADF&TRAY) REF.NO. 1 1-1 1-2 1-3 1-4 1-5 1-6 1-7 1-8 1-9 1-10 1-11 1-12 1-13 1-14 1-15 1-16 1-17 1-18 1-19 1-20 1-21 1-22 1-23 1-24 1-25 1-26 1-27 (1-27-1) 1-28 1-29 1-30 1-31 1-32 1-32-1 1-32-2 1-33 1-34 1-35 1-36 2 3 4 5 6 7 8 9 10 11 12 13 14 CODE LE1525001 UG6609001 LG2014001 UF7026001 LE2008001 LE2011001 LE2551001 UU2055001 LE1513001 LE2470001 UF6116001 UF9009001 LE2471001 LE2472001 LE1215001 LG2201001 0A4300605 LG2016001 087310815 LE2026001 LE2029001 LE2028001 UF8105001 UU7039001 LE2030001 LE2032001 LE2033001 LE2919001 LE2037001 UU1290001 UU7505001 087320616 UF0208001 LE2048001 LE2582001 UU2009001 LE2050001 LE2051001 LE2534001 087320816 UF8088001 LE2053001 087310816 LE2056001 LE2487001 LE3426001 LE2567001 087311015 LE2777001 087320816 LE2568001 LE1568001 UF6116001 Q'TY 1 1 1 1 1 1 1 1 1 1 1 2 1 2 1 1 2 1 2 1 1 1 3 4 1 2 2 1 2 4 1 3 1 1 2 2 1 1 1 2 1 2 2 1 1 1 2 6 1 2 2 1 1 DESCRIPTION ADF UNIT (SP) DOCUMENT SENSOR PCB DOCUMENT SENSOR HARNESS DOCUMENT FRONT SENSOR ACTUATOR DOCUMENT REAR SENSOR ACTUATOR COMPRESSION SPRING RUBBER HOLDER A SEPARATION RUBBER SPRING PLATE A ASSY ADF FILM TAPTITE, PAN B M3X6 PRESSURE ROLLER PRESSURE ROLLER SHAFT PRESSURE ROLLER SPRING ADF MOTOR ADF MOTOR HARNESS SCREW, PAN (S/P WASHER) M3X6 GROUNDING WIRE TAPTITE, CUP B M3X8 UPPER LF ROLLER (GRAY) LOWER LF ROLLER (BLACK) DOCUMENT EJECTION ROLLER CONDUCTIVE BUSHING LF ROLLER GEAR 27 WHITE ROLLER WHITE ROLLER BUSHING EXTENSION SPRING DOCUMENT FEED ROLLER HOLDER ASSY DOCUMENT FEED ROLLER (RUBBER) CONDUCTIVE BUSHING ANTI-STATIC BRUSH TAPTITE, CUP S M3X6 ADF ARM DOCUMENT EJECTION CHUTE ASSY PINCH ROLLER PINCH ROLLER SPRING ADF SIDE COVER F, WHITE(1495) ADF SIDE COVER R, WHITE(1495) ADF COVER ASSY, WHITE(1495) TAPTITE, CUP S M3X8 PLASTIC RETAINING RING ADF SUPPORT TAPTITE, CUP B M3X8 DOCUMENT TRAY, WHITE(1495) DOCUMENT SPONGE DOCUMENT CHUTE, WHITE(1495) HINGE A TAPTITE, CUP B M3X10 DOCUMENT SUPPORT, WHITE(1495) TAPTITE, CUP S M3X8 HINGE HOLDER A DOCUMENT TRAY REINFORCEMENT PLATE TAPTITE, PAN B M3X6 REMARKS MFC9600, DCP1200

Section	Page
DCP1200, MFC9600, MFC9750, MFC9850, MFC9870 Parts and Service Manual.pdf	1
CHAPTER I. GENERAL DESCRIPTION	6
1. MACHINE OUTLINE	7
1.1 External Appearance and Weight	7
1.2 Components	7
2. SPECIFICATIONS	8
CHAPTER II. INSTALLATION	27
1. INSTALLING THE UPDATE DATA TO THE	28
CHAPTER III. THEORY OF OPERATION	31
1. OVERVIEW	32
2. MECHANISMS	33
2.1 Scanner Mechanism	34
2.2 Laser Printing Mechanism	36
2.2.1 Paper pick-up and registration mechanism	36
2.2.2 Print process mechanism	37
2.2.3 Heat-fixing mechanism	39
2.2.4 Paper ejecting mechanism	40
2.3 Sensors and Actuators	41
3. CONTROL ELECTRONICS	43
CHAPTER IV. DISASSEMBLY/REASSEMBLY AND	45
1. DISASSEMBLY/REASSEMBLY	47
Safety Precautions	47
Preparation	48
How to Access the Object Component	48
Disassembly Order Flow	49
1.1 Lower Rear Cover	50
1.2 Access Plates R and F	50
1.3 Paper Cassette	51
1.4 Document Tray ASSY	52
1.5 Upper Rear Cover	54
1.6 ADF Unit	55
1.7 Scanner Unit and Control Panel ASSY	62
1.8 Relay PCB	71
1.9 Speaker	72
1.10 Scanner Mount	73
1.11 Paper Sub Tray and Tray Holder	76
1.12 VC Cover, VC Bracket, and VC Connector PCB (for models supporting	77
1.13 Front Cover	78
1.14 Outer Chute and Paper Pinch Rollers	79
1.15 Main Cover	80
1.16 Switch Cover (for models not equipped with a power switch)	81
1.17 Laser Unit	82
1.18 Heat-fixing Unit and FU Lamp	83
1.19 Fan	87
1.20 Drive Gear ASSY and Main Motor ASSY	89
1.21 NCU Shield and NCU PCB*	91
1.22 Bottom Plate, Main PCB, and Bottom Insulation Film	93
1.23 Low-voltage Power Supply PCB and Power Inlet	97
1.24 Inner Insulation Film, High-voltage Power Supply PCB, Engine PCB,	99
1.25 Toner Sensor (light-receiver) PCB and Toner Sensor (LED) PCB	101
1.26 Gears and Paper Pick-up Roller	102
1.27 Paper Feed Roller ASSY	103
1.28 Clutch Levers, Cassette Guide L, and Solenoid	104
1.29 Cleaning of High-voltage Contacts and Grounding Contacts	105
2. LUBRICATION	107
[ 1 ] ADF unit	107
[ 2 ] Scanner mount	108
[ 3 ] Drive gear ASSY	109
[ 4 ] Paper cassette	110
CHAPTER V. MAINTENANCE MODE	112
1. ENTRY INTO THE MAINTENANCE MODE	113
2. LIST OF MAINTENANCE-MODE FUNCTIONS	114
3. DETAILED DESCRIPTION OF	116
3.1 EEPROM Parameter Initialization	116
3.2 Printout of Scanning Compensation Data	117
3.3 ADF Performance Test	119
3.4 Test Pattern 1	120
3.5 Firmware Switch Setting and Printout	121
[ A ] Firmware switch setting	121
[ B ] Printout of firmware switch data	165
3.6 Operational Check of LCD	166
3.7 Operational Check of Control Panel PCB	166
3.8 Sensor Operational Check	168
3.9 CCD Scanner Area Setting	169
3.10 EEPROM Customizing	169
3.11 Erasure of Received FAX Messages Temporarily Stored in the Flash Memory (Not applicable	170
3.12 Machine Error Code Indication	170
3.13 Output of Transmission Log to the Telephone Line (Not applicable to machines w/o fax)	171
3.14 Cancellation of the Memory Security Mode (Not applicable to the American versions and	171
CHAPTER VI. ERROR INDICATION AND TROUBLESHOOTING	173
1. ERROR INDICATION	174
1.1 Machine Errors	174
[ 1 ] Error messages on the LCD	174
[ 2 ] Error codes shown in the \	177
1.2 Communications Errors (Not applicable to machines w/o fax)	179
2. TROUBLESHOOTING	189
2.1 Introduction	189
2.2 Precautions	189
2.3 Checking prior to Troubleshooting	189
2.4 Troubleshooting Procedures	191
[ 1 ] Control panel related	191
[ 2 ] Telephone related	191
[ 3 ] Communications related	192
[ 4 ] Paper/document feeding related	192
[ 5 ] Print-image related	193
[ 6 ] PC-driven or video capture-driven printing	199
Location of High-voltage Contacts and Grounding Contacts	200
Appendix 1. EEPROM Customizing Codes	202
Appendix 2. Circuit Diagrams	205
A. Main PCB	206
B. Engine PCB	213
C. NCU PCB	214
D. Control Panel PCB	218
E. Relay PCB	221
F. Power Supply PCB	222
pl_mfc9750_9850_9870.pdf	226
List1(MAIN FRAME)	229
List2(LASER UNIT)	231
List3(PAPER TRANSPORT)	233
List4(PAPER CASSETTE)	235
List5(HEAT FIXING UNIT)	237
List6(COVER)	239
List7(SCANNER UNIT)	241
List8(ADF&TRAY)	243
List9(CONTROL PANEL MFC9750)	245
List9(C PANEL MFC9850 9870)	247
List10(PCB ASSY)	249
List11(ACCESSORIES)	251
List12(PRINTED MATERIAL)	253
List13(CARTON)	255
DCP1200pc.pdf	257
List1(MAIN FRAME)	260
List2(LASER UNIT)	262
List3(PAPER TRANSPORT)	264
List4(PAPER CASSETTE)	266
List5(HEAT FIXING UNIT)	268
List6(COVER)	270
List7(SCANNER UNIT)	272
List8(ADF&TRAY)	274
List9(CONTROL PANEL DCP1200)	276
List9(CONTROL PANEL MFC9600)	278
List10(PCB ASSY)	280
List11(ACCESSORIES)	282
List12(PRINTED MATERIAL)	284

Match case Limit results 1 per page

List8(ADF&TRAY)

REF.NO.

CODE

Q'TY

DESCRIPTION

REMARKS

LE1525001

ADF UNIT (SP)

1-1

UG6609001

DOCUMENT SENSOR PCB

1-2

LG2014001

DOCUMENT SENSOR HARNESS

1-3

UF7026001

DOCUMENT FRONT SENSOR ACTUATOR

1-4

LE2008001

DOCUMENT REAR SENSOR ACTUATOR

1-5

LE2011001

COMPRESSION SPRING

1-6

LE2551001

RUBBER HOLDER A

1-7

UU2055001

SEPARATION RUBBER

1-8

LE1513001

SPRING PLATE A ASSY

1-9

LE2470001

ADF FILM

1-10

UF6116001

TAPTITE, PAN B M3X6

1-11

UF9009001

PRESSURE ROLLER

1-12

LE2471001

PRESSURE ROLLER SHAFT

1-13

LE2472001

PRESSURE ROLLER SPRING

1-14

LE1215001

ADF MOTOR

1-15

LG2201001

ADF MOTOR HARNESS

1-16

0A4300605

SCREW, PAN (S/P WASHER) M3X6

1-17

LG2016001

GROUNDING WIRE

1-18

087310815

TAPTITE, CUP B M3X8

1-19

LE2026001

UPPER LF ROLLER (GRAY)

1-20

LE2029001

LOWER LF ROLLER (BLACK)

1-21

LE2028001

DOCUMENT EJECTION ROLLER

1-22

UF8105001

CONDUCTIVE BUSHING

1-23

UU7039001

LF ROLLER GEAR 27

1-24

LE2030001

WHITE ROLLER

1-25

LE2032001

WHITE ROLLER BUSHING

1-26

LE2033001

EXTENSION SPRING

1-27

LE2919001

DOCUMENT FEED ROLLER HOLDER ASSY

(1-27-1)

LE2037001

DOCUMENT FEED ROLLER (RUBBER)

1-28

UU1290001

CONDUCTIVE BUSHING

1-29

UU7505001

ANTI-STATIC BRUSH

1-30

087320616

TAPTITE, CUP S M3X6

1-31

UF0208001

ADF ARM

1-32

LE2048001

DOCUMENT EJECTION CHUTE ASSY

1-32-1

LE2582001

PINCH ROLLER

1-32-2

UU2009001

PINCH ROLLER SPRING

1-33

LE2050001

ADF SIDE COVER F, WHITE(1495)

1-34

LE2051001

ADF SIDE COVER R, WHITE(1495)

1-35

LE2534001

ADF COVER ASSY, WHITE(1495)

1-36

087320816

TAPTITE, CUP S M3X8

UF8088001

PLASTIC RETAINING RING

LE2053001

ADF SUPPORT

087310816

TAPTITE, CUP B M3X8

LE2056001

DOCUMENT TRAY, WHITE(1495)

LE2487001

DOCUMENT SPONGE

LE3426001

DOCUMENT CHUTE, WHITE(1495)

LE2567001

HINGE A

087311015

TAPTITE, CUP B M3X10

LE2777001

DOCUMENT SUPPORT, WHITE(1495)

087320816

TAPTITE, CUP S M3X8

LE2568001

HINGE HOLDER A

LE1568001

DOCUMENT TRAY REINFORCEMENT PLATE

UF6116001

TAPTITE, PAN B M3X6

MFC9600, DCP1200