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Brother International MFC 9760 Service Manual - Page 21

MFC-9760

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Model Name PRINTER Color/Mono Engine Type Resolution(dpi) Speed(ppm) Paper Capacity(sheets) Additional Paper Capacity(sheets) Output Paper Capacity(sheets) Standard Print Language Emulation Resident Fonts (3/4) MFC-9760 Yes Mono Laser(ZLe) 600x600 up to 14 250 250 (User Option) 150 Windows GDI(600x600) PCL5e Yes ( Bitmap font: LetterGothic 16.66, OCR-A, OCR-B, Scalable font: 49 fonts ) Fonts Disk Based Yes (35 fonts ) Paper Handling Size Manual Feed Slot Other Paper Type Sheet Weight (Paper Cassette) (ADF) (Manual Slot) Printer Driver Utility Software Toner Life (Standard Yield : TN-6300) (High Yield : TN-6600) Drum Life (DR-6000) Bundled Cable LTR, EXE, A4, A5,A6, ISO B5, ISO B6 Custom Size (2.75x5 - 8.5x14) Envelop ( DL/C5/CM10/Mona) OHP, Envelopes, Labels, Organizer 60 -105 g/m2 64 - 90 g/m2 60 -161 g/m2 Win95/98(SE)/Me/NT4.0WS/2000Professinal MacOS 8.5-9.1 Yes (Remote Printer Console for PCL5e) 3,000 pages/A4@5% 6,000 pages/A4@5% up to 20,000 pages No COPY Color/Mono Multi Copy(Stack) Multi Copy(Sort) N in 1 Poster ( X by Y ) Reduction/Enlargement(%) Resolution(dpi) Yes Mono Yes ( up to 99 ) Yes 2in1, 4in1 Yes ( 1in3x3 ) 25 -- 400 in 1% increments 600x300 SCANNER Color/Mono Resolution(Optical: dpi) Resolution(Interpolated: dpi) Colour Depth(bit) Gray Scale TWAIN Compliant & Operating System OCR Scan Key Scan to Image key Scan to OCR key Scan to E-MAIL key Yes Color/Mono 600x2,400 9,600x9,600 24(8bit x 3) 256 Win95/98(SE)/ME/NT4.0WS/2000Professional MacOS8.6-9.1 ScanSoft(TextBridge) No ( possible only by POP UP Menu on PC ) No No No I - 15

Section	Page
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	25
1. INSTALLING THE UPDATE DATA TO THE FACSIMILE MACHINE	26
2. SETTING ID CODES TO FACSIMILE MACHINES	28
CHAPTER III. THEORY OF OPERATION	30
1. OVERVIEW	31
2. MECHANISMS	32
2.1 Scanner Mechanism	33
2.2 Laser Printing Mechanism	35
2.2.1 Paper pick-up and registration mechanism	35
2.2.2 Print process mechanism	36
2.2.3 Heat-fixing mechanism	38
2.2.4 Paper ejecting mechanism	39
2.3 Sensors and Actuators	40
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 and Document Tray Open Sensor	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	97
1.20 Drive Gear ASSY and Main Motor ASSY	99
1.21 NCU Shield and NCU PCB	101
1.22 Bottom Plate, Main PCB, and Bottom Insulation Film	103
1.23 Low-voltage Power Supply PCB and Power Inlet	107
1.24 Inner Insulation Film, High-voltage Power Supply PCB, Engine PCB, and 2nd Cassette Relay PCB	109
1.25 Toner Sensor (light-receiver) PCB and Toner Sensor (LED) PCB	111
1.26 Gears and Paper Pick-up Roller	112
1.27 Paper Feed Roller ASSY	113
1.28 Clutch Levers, Cassette Guide L, and Solenoid	114
1.29 Cleaning of High-voltage Contacts and Grounding Contacts	115
2. LUBRICATION	117
[ 1 ] ADF unit	117
[ 2 ] Scanner mount	118
[ 3 ] Drive gear ASSY	119
[ 4 ] Paper cassette	120
CHAPTER V. MAINTENANCE MODE	122
1. ENTRY INTO THE MAINTENANCE MODE	123
2. LIST OF MAINTENANCE-MODE FUNCTIONS	124
3. DETAILED DESCRIPTION OF MAINTENANCE-MODE FUNCTIONS	127
3.1 EEPROM Parameter Initialization	127
3.2 Printout of Scanning Compensation Data	128
3.3 ADF Performance Test	130
3.4 Test Pattern 1	131
3.5 Firmware Switch Setting and Printout	132
[ A ] Firmware switch setting	132
[ B ] Printout of firmware switch data	134
3.6 Operational Check of LCD	135
3.7 Operational Check of Control Panel PCB	135
3.8 Sensor Operational Check	138
3.9 CCD Scanner Area Setting	140
3.10 EEPROM Customizing	140
3.11 Erasure of Received FAX Messages Temporarily Stored in the Flash Memory (Not applicable to the American version)	141
3.11A Display of the Equipment's Log Information	142
3.12 Machine Error Code Indication	143
3.13 Output of Transmission Log to the Telephone Line (Not applicable to machines w/o fax)	143
3.14 Cancellation of the Memory Security Mode (Not applicable to the American version or machines w/o fax)	144
CHAPTER VI. ERROR INDICATION AND TROUBLESHOOTING	146
1. ERROR INDICATION	147
1.1 Machine Errors	147
[ 1 ] Error messages on the LCD	147
[ 2 ] Error codes shown in the \	151
1.2 Communications Errors (Not applicable to machines w/o fax)	153
2. TROUBLESHOOTING	163
2.1 Introduction	163
2.2 Precautions	163
2.3 Checking prior to Troubleshooting	163
2.4 Troubleshooting Procedures	165
[ 1 ] Control panel related	165
[ 2 ] Telephone related	165
[ 3 ] Communications related	166
[ 4 ] Paper/document feeding related	166
[ 5 ] Print-image related	167
[ 6 ] PC-driven or video capture-driven printing	173
Location of High-voltage Contacts and Grounding Contacts	174
Appendix 1. EEPROM Customizing Codes	176
Appendix 2. Firmware Switches (WSW)	179
Appendix 3. Circuit Diagrams	228
A. Main PCB (MFC9800/MFC9880/MFC9860/MFC9760)	229
A. Main PCB (MFC9700/DCP1400)	235
B. Engine PCB	241
C. Engine PCB	242
D. NCU PCB	243
E. Control Panel PCB	247

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(3/4)

Model Name

MFC-9760

PRINTER

Yes

Color/Mono

Mono

Engine Type

Laser(ZLe)

Resolution(dpi)

600x600

Speed(ppm)

up to 14

Paper Capacity(sheets)

250

Additional Paper Capacity(sheets)

250 (User Option)

Output Paper Capacity(sheets)

150

Standard Print Language

Windows GDI(600x600)

Emulation

PCL5e

Resident Fonts

Yes ( Bitmap font: LetterGothic 16.66, OCR-A,

OCR-B, Scalable font: 49 fonts )

Fonts Disk Based

Yes (35 fonts )

Paper Handling Size

LTR, EXE, A4, A5,A6, ISO B5, ISO B6

Manual Feed Slot

Custom Size (2.75x5 - 8.5x14)

Envelop ( DL/C5/CM10/Mona)

Other Paper Type

OHP, Envelopes, Labels, Organizer

Sheet Weight

(Paper Cassette)

60 -105 g/m2

(ADF)

64 - 90 g/m2

(Manual Slot)

60 -161 g/m2

Printer Driver

Win95/98(SE)/Me/NT4.0WS/2000Professinal

MacOS 8.5-9.1

Utility Software

Yes (Remote Printer Console for PCL5e)

Toner Life

(Standard Yield : TN-6300)

3,000 pages/A4@5%

(High Yield : TN-6600)

6,000 pages/A4@5%

Drum Life

(DR-6000)

up to 20,000 pages

Bundled Cable

COPY

Yes

Color/Mono

Mono

Multi Copy(Stack)

Yes ( up to 99 )

Multi Copy(Sort)

Yes

N in 1

2in1, 4in1

Poster ( X by Y )

Yes ( 1in3x3 )

Reduction/Enlargement(%)

25 -- 400 in 1% increments

Resolution(dpi)

600x300

SCANNER

Yes

Color/Mono

Resolution(Optical: dpi)

600x2,400

Resolution(Interpolated: dpi)

9,600x9,600

Colour Depth(bit)

24(8bit x 3)

Gray Scale

256

TWAIN Compliant & Operating System

Win95/98(SE)/ME/NT4.0WS/2000Professional

MacOS8.6-9.1

OCR

ScanSoft(TextBridge)

Scan Key

No ( possible only by POP UP Menu on PC )

Scan to Image key

Scan to OCR key

Scan to E-MAIL key