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Brother International IntelliFax-4750 Service Manual - Page 259

List8control Panel, Fax8350p, Mfc9650, Panel Sheet, Fax8350p For Uk/che/ire

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List8(CONTROL PANEL) REF.NO. 1 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 1-28 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 4 5 (6) CODE LE1250001 LE1158001 UU2004001 UF8176008 UF4576008 UF9118006 UF5581010 UF4393007 UU7099008 UU7100008 UF8174008 UF8173004 UF8172006 LG2212001 UG4552000 LE1155001 UU2005001 UU2051001 UU2052001 UU2053001 UU2054001 UU2055001 UU2056001 UF5034001 UU2057001 LE6342001 UU2061001 UU2062001 LE1071001 087310815 UU2063001 LE1029001 LE1033001 LE1036001 LE1099001 LE1144001 LE1102001 LE1106001 LE1731001 LE1110001 LE1046001 LE1053001 LE1114001 LE1117001 LE1120001 LE1124001 LE1127001 LE1130001 LE1133001 LE1347001 LE1353001 LE1354001 LE1356001 LE1357001 LE1359001 LE1361001 LE1363001 LE1713001 LE1722001 UU2067001 LE1706001 LE1707001 Q'TY 1 1 1 4 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 DESCRIPTION CONTROL PANEL ASSY, FAX8350P (SP) CONTROL PANEL ASSY, FAX8750P/MFC9650 (SP) CONTROL PANEL, GRAY(1495) KEY, ONE TOUCH, GRAY(1495) KEY, SHIFT, GRAY(1495) KEY, FUNCTION4, GRAY(1495) KEY, FUNCTION1, GRAY(1495) KEY, TEN, GRAY(1495) KEY, VOLUME, GRAY(1495) KEY, COPY AREA, GRAY(1495) KEY, COPY, GRAY(1495) KEY, STOP, PINK(2205) KEY, SEND, PURPLE(6255) CONTROL PANEL PCB ASSY LCD FPC KEY (SP) PANEL REAR COVER DOCUMENT NIP SPRING DOCUMENT NIP PIECE ADF SPRING SPRING PLATE B SEPARATION RUBBER SPRING PLATE A TAPTITE, B 3X6 DOCUMENT PRESSURE SPRING DOCUMENT PRESSURE BAR ASSY DOCUMENT FRONT SENSOR ACTUATOR DOCUMENT REAR SENSOR ACTUATOR ANTI-STATIC BRUSH TAPTITE, CUP B M3X8 LCD SHEET PANEL SHEET, FAX8350P FOR GER/AUS PANEL SHEET, FAX8350P FOR UK/CHE/IRE PANEL SHEET, FAX8350P FOR FRA PANEL SHEET, FAX8350P FOR NOR PANEL SHEET, FAX8350P FOR BEL PANEL SHEET, FAX8350P FOR HOL PANEL SHEET, FAX8350P FOR DEN PANEL SHEET, FAX8350P FOR SPA PANEL SHEET, FAX8350P FOR SWE PANEL SHEET, MFC9650 FOR GER PANEL SHEET, MFC9650 FOR UK/CHE/GNR PANEL SHEET, MFC9650 FOR NOR PANEL SHEET, MFC9650 FOR BEL PANEL SHEET, MFC9650 FOR NLD PANEL SHEET, MFC9650 FOR DEN PANEL SHEET, MFC9650 FOR SPA PANEL SHEET, MFC9650 FOR ITA PANEL SHEET, MFC9650 FOR SWE PANEL SHEET, FAX8750P FOR GER PANEL SHEET, FAX8750P FOR UK/CHE PANEL SHEET, FAX8750P FOR FRA PANEL SHEET, FAX8750P FOR NOR PANEL SHEET, FAX8750P FOR BEL PANEL SHEET, FAX8750P FOR NLD PANEL SHEET, FAX8750P FOR ITA PANEL SHEET, FAX8750P FOR SWE PANEL SHEET, FAX8750P FOR SPA PANEL SHEET, FAX8750P FOR DEN ADDRESS LABEL HOLE SHIELD FILM ANTI-STATIC SUB BRUSH FAX8350P,MFC9650,FAX8750P REMARKS

Section	Page
FAX4750, FAX5750, FAX8350P, FAX8750P, MFC8300, MFC8600, MFC8700, MFC9650 Parts and Service Manual.pdf	1
CHAPTER I. GENERAL DESCRIPTION	6
1. EQUIPMENT OUTLINE	7
1.1 External Appearance and Weight	7
1.2 Components	7
2. SPECIFICATIONS	8
CHAPTER II. INSTALLATION	25
1. INSTALLING THE UPDATE DATA TO THE	26
CHAPTER III. THEORY OF OPERATION	29
1. OVERVIEW	30
2. MECHANISMS	31
2.1 Scanner Mechanism	32
2.1.1 Document feeding and ejecting mechanism	32
2.1.2 Scanner	32
2.2 Laser Printing Mechanism	33
2.2.1 Paper pick-up and registration mechanism	33
2.2.2 Print process mechanism	34
(1) Charging process	35
(2) Exposing process	35
(3) Developing process	36
(4) Transferring process	36
2.2.3 Heat-fixing mechanism	37
2.2.4 Paper ejecting mechanism	38
2.3 Sensors and Actuators	39
3. CONTROL ELECTRONICS	41
3.1 Configuration	41
3.2 Main PCB	42
3.3 Engine PCB	44
3.4 NCU PCB	45
3.5 Control Panel PCB	48
3.6 Power Supply PCB	49
[ 1 ] Low-voltage power supply PCB	49
[ 2 ] High-voltage power supply PCB	50
CHAPTER IV. DISASSEMBLY/REASSEMBLY AND	52
1. DISASSEMBLY/REASSEMBLY	54
Safety Precautions	54
Preparation	55
How to Access the Object Component	55
Disassembly Order Flow	56
1.1 Rear Cover	57
1.2 Access Plates R and F	57
1.3 Control Panel ASSY	58
1.4 Panel Rear Cover and Control Panel	59
1.5 Document Feed Roller ASSY, Document Ejection Roller ASSY, and Pinch Rollers	62
1.6 CIS Unit	63
1.7 Scanner Frame ASSY (Scanner Motor, Scanner Drive Unit, Document Take-in Roller,	64
1.8 Top Cover (Exit Roller, Speaker, and Document Guides)	68
1.9 Handset Mount and Hook Switch PCB (for models equipped with a handset)	74
1.10 Paper Sub Tray	76
1.11 VC Cover, VC Bracket, and VC Connector PCB (for models supporting video capture)	77
1.12 Front Cover	78
1.13 Outer Chute and Paper Pinch Rollers	79
1.14 Main Cover	80
1.15 Switch Cover	81
1.16 Laser Unit	82
1.17 Heat-fixing Unit and FU Lamp	83
1.18 Fan	87
1.19 Drive Gear ASSY and Main Motor ASSY	89
1.20 NCU Shield and NCU PCB	91
1.21 Bottom Plate, Main PCB, and Bottom Insulation Film	93
1.22 Low-voltage Power Supply PCB and Power Inlet	97
1.23 Inner Insulation Film, High-voltage Power Supply PCB, Engine PCB, and 2nd Cassette Relay	99
1.24 Toner Sensor (light-receiver) PCB and Toner Sensor (LED) PCB	101
1.25 Gears and Paper Pick-up Roller	102
1.26 Paper Feed Roller ASSY	103
1.27 Clutch Levers, Cassette Guide L, and Solenoid	104
1.28 Paper Cassette	105
1.29 Cleaning of High-voltage Contacts and Grounding Contacts	106
2. LUBRICATION	108
[ 1 ] Document feed roller ASSY and document ejection roller ASSY	108
[ 2 ] Control panel locks	109
[ 3 ] Scanner frame ASSY, document take-in roller and its shaft, and separation roller and	109
[ 4 ] Top cover	110
[ 5 ] Drive gear ASSY	111
[ 6 ] Paper cassette	112
CHAPTER V. MAINTENANCE MODE	114
1. ENTRY INTO THE MAINTENANCE MODE	115
2. LIST OF MAINTENANCE-MODE FUNCTIONS	116
3. DETAILED DESCRIPTION OF MAINTENANCE-MODE FUNCTIONS	118
3.1 EEPROM Parameter Initialization	118
3.2 Printout of Scanning Compensation Data	119
3.3 ADF Performance Test	121
3.4 Test Pattern 1	122
3.5 Firmware Switch Setting and Printout	123
3.6 Operational Check of LCD	169
3.7 Operational Check of Control Panel PCB	169
3.8 Receiver Volume Adjustment (applicable to the American version only)	171
3.9 Sensor Operational Check	172
3.10 CIS Scanner Area Setting	173
3.11 EEPROM Customizing	173
3.12 Erasure of Received FAX Messages Temporarily Stored in the Flash Memory (not applicable to	174
3.13 Equipment Error Code Indication	174
3.14 Output of Transmission Log to the Telephone Line	175
3.15 Cancellation of the Memory Security Mode (applicable to the European version only)	175
CHAPTER VI. ERROR INDICATION AND TROUBLESHOOTING	177
1. ERROR INDICATION	178
1.1 Equipment Errors	178
[ 1 ] Error messages on the LCD	178
[ 2 ] Error codes shown in the \	181
1.2 Communications Errors	183
2. TROUBLESHOOTING	193
2.1 Introduction	193
2.2 Precautions	193
2.3 Checking prior to Troubleshooting	193
2.4 Troubleshooting Procedures	195
[ 1 ] Control panel related	195
[ 2 ] Telephone related	195
[ 3 ] Communications related	196
[ 4 ] Paper/document feeding related	196
[ 5 ] Print-image related	197
Location of High-voltage Contacts and Grounding Contacts	204
Appendix 1. EEPROM Customizing Codes	206
Appendix 2. Circuit Diagrams	209
A. Main PCB (FAX4750/MFC8300/MFC8600/MFC8700/FAX8350P/MFC9650)	210
A. Main PCB (FAX5750/FAX8750P)	217
B. Modem PCB	224
C. Engine PCB	227
D. NCU PCB	229
E. Control Panel PCB	234
F. Power Supply PCB	236
pl_fax8350_8750_mfc9650.pdf	241
List1(MAIN FRAME)	244
List2(DOCUMENT SCANNER)	246
List3(LASER UNIT)	248
List4(PAPER TRANSPORT)	250
List5(PAPER TRAY)	252
List6(HEAT FIXING UNIT)	254
List7(COVER)	256
List8(CONTROL PANEL)	258
List9(PCB ASSY)	260
List10(ACCESSORIES)	262
List11(PRINTED MATERIAL)	264
List12(CARTON)	266
FAX4750pc.pdf	268
List1(MAIN FRAME)	271
List2(DOCUMENT SCANNER)	273
List3(LASER UNIT)	275
List4(PAPER TRANSPORT)	277
List5(PAPER CASSETTE)	279
List6(HEAT FIXING UNIT)	281
List7(COVER)	283
List8(CONTROL PANEL)	285
List9(PCB ASSY)	287
List10(ACCESSORIES)	289
List11(PRINTED MATERIAL)	291

Match case Limit results 1 per page

List8(CONTROL PANEL)

REF.NO.

CODE

Q'TY

DESCRIPTION

REMARKS

LE1250001

CONTROL PANEL ASSY, FAX8350P (SP)

LE1158001

CONTROL PANEL ASSY, FAX8750P/MFC9650 (SP)

1-1

UU2004001

CONTROL PANEL, GRAY(1495)

1-2

UF8176008

KEY, ONE TOUCH, GRAY(1495)

1-3

UF4576008

KEY, SHIFT, GRAY(1495)

1-4

UF9118006

KEY, FUNCTION4, GRAY(1495)

1-5

UF5581010

KEY, FUNCTION1, GRAY(1495)

1-6

UF4393007

KEY, TEN, GRAY(1495)

1-7

UU7099008

KEY, VOLUME, GRAY(1495)

1-8

UU7100008

KEY, COPY AREA, GRAY(1495)

1-9

UF8174008

KEY, COPY, GRAY(1495)

1-10

UF8173004

KEY, STOP, PINK(2205)

1-11

UF8172006

KEY, SEND, PURPLE(6255)

1-12

LG2212001

CONTROL PANEL PCB ASSY

1-13

UG4552000

LCD

1-14

LE1155001

FPC KEY (SP)

1-15

UU2005001

PANEL REAR COVER

1-16

UU2051001

DOCUMENT NIP SPRING

1-17

UU2052001

DOCUMENT NIP PIECE

1-18

UU2053001

ADF SPRING

1-19

UU2054001

SPRING PLATE B

1-20

UU2055001

SEPARATION RUBBER

1-21

UU2056001

SPRING PLATE A

1-22

UF5034001

TAPTITE, B 3X6

1-23

UU2057001

DOCUMENT PRESSURE SPRING

1-24

LE6342001

DOCUMENT PRESSURE BAR ASSY

1-25

UU2061001

DOCUMENT FRONT SENSOR ACTUATOR

1-26

UU2062001

DOCUMENT REAR SENSOR ACTUATOR

1-27

LE1071001

ANTI-STATIC BRUSH

1-28

087310815

TAPTITE, CUP B M3X8

UU2063001

LCD SHEET

LE1029001

PANEL SHEET, FAX8350P FOR GER/AUS

LE1033001

PANEL SHEET, FAX8350P FOR UK/CHE/IRE

LE1036001

PANEL SHEET, FAX8350P FOR FRA

LE1099001

PANEL SHEET, FAX8350P FOR NOR

LE1144001

PANEL SHEET, FAX8350P FOR BEL

LE1102001

PANEL SHEET, FAX8350P FOR HOL

LE1106001

PANEL SHEET, FAX8350P FOR DEN

LE1731001

PANEL SHEET, FAX8350P FOR SPA

LE1110001

PANEL SHEET, FAX8350P FOR SWE

LE1046001

PANEL SHEET, MFC9650 FOR GER

LE1053001

PANEL SHEET, MFC9650 FOR UK/CHE/GNR

LE1114001

PANEL SHEET, MFC9650 FOR NOR

LE1117001

PANEL SHEET, MFC9650 FOR BEL

LE1120001

PANEL SHEET, MFC9650 FOR NLD

LE1124001

PANEL SHEET, MFC9650 FOR DEN

LE1127001

PANEL SHEET, MFC9650 FOR SPA

LE1130001

PANEL SHEET, MFC9650 FOR ITA

LE1133001

PANEL SHEET, MFC9650 FOR SWE

LE1347001

PANEL SHEET, FAX8750P FOR GER

LE1353001

PANEL SHEET, FAX8750P FOR UK/CHE

LE1354001

PANEL SHEET, FAX8750P FOR FRA

LE1356001

PANEL SHEET, FAX8750P FOR NOR

LE1357001

PANEL SHEET, FAX8750P FOR BEL

LE1359001

PANEL SHEET, FAX8750P FOR NLD

LE1361001

PANEL SHEET, FAX8750P FOR ITA

LE1363001

PANEL SHEET, FAX8750P FOR SWE

LE1713001

PANEL SHEET, FAX8750P FOR SPA

LE1722001

PANEL SHEET, FAX8750P FOR DEN

UU2067001

ADDRESS LABEL

LE1706001

HOLE SHIELD FILM

(6)

LE1707001

ANTI-STATIC SUB BRUSH

FAX8350P,MFC9650,FAX8750P