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Brother International MFC 8500 Service Manual - Page 10

Yes 182 locations, Out-of-Paper Reception *2, up to 500 sMMR, Demo Sheet - list of error messages

UPC - 012502603832

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Model Name FAX Internet FAX Easy Receive/Fax Detect Fax/Tel Switch Super Fine 300dpi Transmission Gray Scale Contrast Smoothing Call Reservation Over Auto TX Password Check Enhanced Remote Activate Multi Resolution Transmission Multi Transmission Next-Fax Reservation Delayed Timer Polling Quick Scan (Memory Transmission) Broadcasting Batch Transmission Auto Reduction Out-of-Paper Reception *2 Dual Access ECM(Error Correction Mode) ITU SUB Addressing Group Dial Resend After Receive Error Signal Confidential Station ID Off Hook Alarm Remote Maintenance Call Reservation Over Manual TX RX Mode Indication Resolution Indication LIST REPORT Activity Report/Journal Report Transmission Verification Report Coverpage Help List Call Back Message Caller ID List Demo Sheet MFC8500 N / A Yes Yes Yes (TX & RX) N / A 64 Yes (Auto/S.Light/S.Dark) Yes N / A N / A Yes N / A N / A Yes (Dual Access) Yes (up to 50) Yes (Std/Seq) Approx. 2 sec./page (A4:standard) Yes (166 locations) Yes Yes up to 500 pages(MMR) Yes Yes N / A Yes (6) N / A N / A 1 (20 digits/20 chars) N / A Yes N / A LED LED F AX4100 (2/4) N / A Yes Yes Yes (TX & RX) N / A 64 Yes (Auto/S.Light/S.Dark) Yes N / A N / A Yes N / A N / A Yes (Dual Access) Yes (up to 50) Yes (Std/Seq) Approx. 2 sec./page (A4:standard) Yes (182 locations) Yes Yes up to 500 pages(MMR) Yes Yes N / A Yes (6) N / A N / A 1 (20 digits/20 chars) N / A Yes N / A LED LED Yes (up to 200) Yes Yes (Super) Yes N / A Yes Yes by Stop/Exit & Fax Start keys Yes (up to 200) Yes Yes (Super) Yes N / A Yes Yes by Stop/Exit & Fax Start keys INTERFACE External TAD Interface Missing Link/PC Interface Host Interface LAN Interface Interface backside to be covered with plastic cover. Yes Yes N / A N / A Yes (Auto switching : Parallel/USB *3) Yes (Auto switching : Parallel/USB *3) *4 N / A N / A I - 4

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

MFC8500

F AX4100

FAX

Internet FAX

N / A

Easy

Receive/Fax Detect

Yes

Fax/Tel Switch

Yes

Super Fine

Yes (TX & RX)

300dpi Transmission

N / A

Gray Scale

Contrast

Yes (Auto/S.Light/S.Dark)

Smoothing

Yes

Call Reservation Over Auto TX

N / A

Password Check

N / A

Enhanced Remote Activate

Yes

Multi Resolution Transmission

N / A

Multi Transmission

N / A

Next-Fax Reservation

Yes (Dual Access)

Delayed Timer

Yes (up to 50)

Polling

Yes (Std/Seq)

Quick Scan (Memory Transmission)

Approx. 2 sec./page (A4:standard)

Broadcasting

Yes (166 locations)

Yes (182 locations)

Batch Transmission

Yes

Auto Reduction

Yes

Out-of-Paper Reception *2

up to 500 pages(MMR)

Dual Access

Yes

ECM(Error Correction Mode)

Yes

ITU SUB Addressing

N / A

Group Dial

Yes (6)

Resend After Receive Error Signal

N / A

Confidential

N / A

Station ID

1 (20 digits/20 chars)

Off Hook Alarm

N / A

Remote Maintenance

Yes

Call Reservation Over Manual TX

N / A

RX Mode Indication

LED

Resolution Indication

LED

LIST REPORT

Activity Report/Journal Report

Yes (up to 200)

Transmission Verification Report

Yes

Coverpage

Yes (Super)

Help List

Yes

Call Back Message

N / A

Caller ID List

Yes

Demo Sheet

Yes by Stop/Exit & Fax Start keys

INTERFACE

Interface backside to be covered

with plastic cover.

External TAD Interface

Yes

Missing Link/PC Interface

N / A

Host Interface

Yes (Auto switching : Parallel/USB *3)

Yes (Auto switching : Parallel/USB *3) *4

LAN Interface

N / A