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Brother International MFC 8500 Service Manual - Page 13

Model Name, FAX4750e, PRINTER, Available with Web download, Yes - standard, SCANNER, PCL5e - driver download

UPC - 012502603832

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Model Name PRINTER Color/Mono Engine Type Resolution(dpi) Speed(ppm) Output Paper Capacity(sheets) Standard Print Language Emulation Resident Fonts Fonts Disk Based Paper Handling Size Manual Feed Slot Other Paper Type Sheet Weight (Paper Cassette) (Manual Slot) Printer Driver Utility Software (3/4) FAX4750e FAX5750e Available with Web download Yes - standard Mono Mono Laser(ZLe) Laser(ZLe) 600x600 600x600 up to 15(Letter size) up to 15(Letter size) 150 150 Windows GDI(600x600) Windows GDI(600x600) N / A PCL5e N / A N / A N / A N / A LTR, LGL, A4, B5, A5, EXE LTR, LGL, A4, B5, A5, EXE Custom Size (2.75x5 - 8.5x14) Custom Size (2.75x5 - 8.5x14) Envelop(DL/C5/CM10/Mona) Envelop(DL/C5/CM10/Mona) OHP, Envelopes, Labels, Organizer OHP, Envelopes, Labels, Organizer 64-105 g/m2 (17 - 28 lb) 64-105 g/m2 (17 - 28 lb) 64-157 g/m2 (17 - 43 lb) 64-157 g/m2 (17 - 43 lb) Win95/98/Me//NT4.0/2000/XP Driver Win95/98/Me//NT4.0/2000/XP Driver with Auto Installer Program with Auto Installer Program N / A Yes (Remote Printer Console for PCL5e ) COPY Color Speed(cpm) Multi Copy(Stack) Multi Copy(Sort) Reduction/Enlargement(%) Resolution(dpi) N / A up to 15 (Letter size) up to 99 Yes 50 -- 200 in 1% increments 600 dpi class N / A up to 15 (Letter size) up to 99 Yes 50 -- 200 in 1% increments 600 dpi class SCANNER Color/Mono Resolution(dpi) Gray Scale TWAIN Compliant OCR Available with web download Mono 9,600x9,600(Int.)/300x600(Opt.) 256 Yes Yes (ScanSoft TextBridge) Yes - standard Mono 9,600x9,600(Int.)/300x600(Opt.) 256 Yes Yes (ScanSoft TextBridge) MESSAGE CENTER/MESSAGE MANAGER ICM Recording Time Page Memory OGM (MC/MC Pro/Paging) TAD Type Memo/Recording Conversation Toll Saver Fax Forwarding Fax Retrieval Paging Remote Access N / A N / A N / A N / A N / A N / A N / A Yes Yes Yes Yes N / A N / A N / A N / A N / A N / A N / A Yes Yes Yes Yes I - 7

Section	Page
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	21
1. INSTALLING THE UPDATE DATA TO THE FACSIMILE MACHINE	22
2. SETTING ID CODES TO FACSIMILE MACHINES	24
CHAPTER III. THEORY OF OPERATION	26
1. OVERVIEW	27
2. MECHANISMS	28
2.1 Scanner Mechanism	29
2.1.1 Document feeding and ejecting mechanism	29
2.1.2 Scanner	29
2.2 Laser Printing Mechanism	30
2.2.1 Paper pick-up and registration mechanism	30
2.2.2 Print process mechanism	31
(1) Charging process	32
(2) Exposing process	32
(3) Developing process	33
(4) Transferring process	33
2.2.3 Heat-fixing mechanism	34
2.2.4 Paper ejecting mechanism	35
2.3 Sensors and Actuators	36
3. CONTROL ELECTRONICS	38
CHAPTER IV. DISASSEMBLY/REASSEMBLY AND LUBRICATION	40
1. DISASSEMBLY/REASSEMBLY	42
Safety Precautions	42
Preparation	43
How to Access the Object Component	43
Disassembly Order Flow	44
1.1 Rear Cover	45
1.2 Access Plates R and F	45
1.3 Control Panel ASSY	46
1.4 Panel Rear Cover and Control Panel	47
1.5 Document Feed Roller ASSY, Document Ejection Roller ASSY, and Pinch Rollers	50
1.6 CIS Unit	51
1.7 Scanner Frame ASSY (Scanner Motor, Scanner Drive Unit, Document Take-in Roller,	52
1.8 Top Cover (Exit Roller, Speaker, and Document Guides)	56
1.9 Handset Mount and Hook Switch PCB (for models equipped with a handset)	62
1.10 Paper Sub Tray	64
1.11 VC Cover, VC Bracket, and VC Connector PCB (for models supporting video capture)	65
1.12 Front Cover	66
1.13 Outer Chute and Paper Pinch Rollers	67
1.14 Main Cover	68
1.15 Switch Cover	69
1.16 Laser Unit	70
1.17 Heat-fixing Unit and FU Lamp	71
[Disassembling the heat-fixing unit]	73
1.18 Fan	85
1.19 Drive Gear ASSY and Main Motor ASSY	87
1.20 NCU Shield and NCU PCB	89
1.21 Bottom Plate, Main PCB, and Bottom Insulation Film	91
1.22 Low-voltage Power Supply PCB and Power Inlet	95
1.23 Inner Insulation Film, High-voltage Power Supply PCB, Engine PCB, and 2nd Cassette Relay PCB*	97
1.24 Toner Sensor (light-receiver) PCB and Toner Sensor (LED) PCB	99
1.25 Gears and Paper Pick-up Roller	100
1.26 Paper Feed Roller ASSY	101
1.27 Clutch Levers, Cassette Guide L, and Solenoid	102
1.28 Paper Cassette	103
1.29 Cleaning of High-voltage Contacts and Grounding Contacts	104
2. LUBRICATION	106
[ 1 ] Document feed roller ASSY and document ejection roller ASSY	106
[ 2 ] Control panel locks	107
[ 3 ] Scanner frame ASSY, document take-in roller and its shaft, and separation roller and its shaft	107
[ 4 ] Top cover	108
[ 5 ] Drive gear ASSY	109
[ 6 ] 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 MAINTENANCE-MODE FUNCTIONS	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	123
3.6 Operational Check of LCD	124
3.7 Operational Check of Control Panel PCB	124
3.8 Receiver Volume Adjustment (applicable to the American version only)	126
3.9 Sensor Operational Check	127
3.10 Fine Adjustment of Scanning Start/End Position	128
3.11 CIS Scanner Area Setting	129
3.12 EEPROM Customizing	129
3.13 Display of the Equipment's Log Information	130
3.14 Equipment Error Code Indication	131
3.15 Output of Transmission Log to the Telephone Line	131
3.16 Cancellation of the Memory Security Mode (applicable to the European version only)	132
CHAPTER VI. ERROR INDICATION AND TROUBLESHOOTING	134
1. ERROR INDICATION	135
1.1 Equipment Errors	135
[ 1 ] Error messages on the LCD	135
[ 2 ] Error codes shown in the \	139
1.2 Communications Errors	141
2. TROUBLESHOOTING	151
2.1 Introduction	151
2.2 Precautions	151
2.3 Checking prior to Troubleshooting	151
2.4 Troubleshooting Procedures	153
[ 1 ] Control panel related	153
[ 2 ] Telephone related	153
[ 3 ] Communications related	154
[ 4 ] Paper/document feeding related	154
[ 5 ] Print-image related	155
Location of High-voltage Contacts and Grounding Contacts	162
Appendix 1. EEPROM Customizing Codes	164
Appendix 2. Firmware Switches (WSW)	167
Appendix 3. Circuit Diagrams	215
A. Main PCB (MFC8500)	216
B. Main PCB (MFC9660)	226
C. Engine PCB	227
D. NCU PCB	228
E. Control Panel PCB	232

Match case Limit results 1 per page

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Model Name

FAX4750e

FAX5750e

PRINTER

Available with Web download

Yes - standard

Color/Mono

Mono

Engine Type

Laser(ZLe)

Resolution(dpi)

600x600

Speed(ppm)

up to 15(Letter size)

Output Paper Capacity(sheets)

150

Standard Print Language

Windows GDI(600x600)

Emulation

N / A

PCL5e

Resident Fonts

N / A

Fonts Disk Based

N / A

Paper Handling Size

LTR, LGL, A4, B5, A5, EXE

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)

64-105 g/m2 (17 - 28 lb)

(Manual Slot)

64-157 g/m2 (17 - 43 lb)

Printer Driver

Win95/98/Me//NT4.0/2000/XP Driver

with Auto Installer Program

Utility Software

N / A

Yes (Remote Printer Console for PCL5e )

COPY

Color

N / A

Speed(cpm)

up to 15 (Letter size)

Multi Copy(Stack)

up to 99

Multi Copy(Sort)

Yes

Reduction/Enlargement(%)

50 -- 200 in 1% increments

Resolution(dpi)

600 dpi class

SCANNER

Available with web download

Yes - standard

Color/Mono

Mono

Resolution(dpi)

9,600x9,600(Int.)/300x600(Opt.)

Gray Scale

256

TWAIN Compliant

Yes

OCR

Yes (ScanSoft TextBridge)

MESSAGE CENTER/MESSAGE MANAGER

N / A

ICM Recording Time

N / A

Page Memory

N / A

OGM (MC/MC Pro/Paging)

N / A

TAD Type

N / A

Memo/Recording Conversation

N / A

Toll Saver

N / A

Fax Forwarding

Yes

Fax Retrieval

Yes

Paging

Yes

Remote Access

Yes