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Brother International MFC 8500 Service Manual - Page 168

WSW No., Function, Function setting 6

UPC - 012502603832

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WSW No. Function Page WSW01 Dial pulse setting 2 WSW02 Tone signal setting 3 WSW03 PABX mode setting 4 WSW04 TRANSFER facility setting 6 WSW05 1st dial tone and busy tone detection 7 WSW06 Pause key setting and 2nd dial tone detection 9 WSW07 Dial tone setting 1 11 WSW08 Dial tone setting 2 12 WSW09 Protocol definition 1 13 WSW10 Protocol definition 2 14 WSW11 Busy tone setting 15 WSW12 Signal detection condition setting 16 WSW13 Modem setting 17 WSW14 AUTO ANS facility setting 18 WSW15 REDIAL facility setting 19 WSW16 Function setting 1 20 WSW17 Function setting 2 21 WSW18 Function setting 3 22 WSW19 Transmission speed setting in V. 17 mode 23 WSW20 Overseas communications mode setting 24 WSW21 TAD setting 1 25 WSW22 ECM setting 25 WSW23 Communications setting 26 WSW24 TAD setting 2 27 WSW25 TAD setting 3 28 WSW26 Function setting 4 29 WSW27 Function setting 5 30 WSW28 Function setting 6 31 WSW29 Function setting 7 32 WSW30 Function setting 8 32 WSW31 Function setting 9 33 WSW32 Function setting 10 34 WSW33 Function setting 11 34 WSW34 Function setting 12 35 WSW35 Function setting 13 35 WSW36 Function setting 14 36 WSW37 Function setting 15 37 WSW38 Function setting 16, in V. 34 mode 38 WSW39 Transmission speed setting in V. 34 mode 39 WSW40 Function setting 17, in V. 34 mode 40 WSW41 CCD fluorescent lamp and modem attenuator, in V. 34 mode 42 WSW42 Function setting 18 43 WSW43 Function setting 19 44 WSW44 Speeding up scanning-1 44 WSW45 Speeding up scanning-2 45 WSW46 Monitor of power ON/OFF state and parallel port kept at high 46 WSW47 Delay of FAX line disconnection 47 WSW48 to 50 Not used. 47 1

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

WSW No.

Function

Page

WSW01

Dial pulse setting

WSW02

Tone signal setting

WSW03

PABX mode setting

WSW04

TRANSFER facility setting

WSW05

1st dial tone and busy tone detection

WSW06

Pause

key setting and 2nd dial tone detection

WSW07

Dial tone setting 1

WSW08

Dial tone setting 2

WSW09

Protocol definition 1

WSW10

Protocol definition 2

WSW11

Busy tone setting

WSW12

Signal detection condition setting

WSW13

Modem setting

WSW14

AUTO ANS facility setting

WSW15

REDIAL facility setting

WSW16

Function setting 1

WSW17

Function setting 2

WSW18

Function setting 3

WSW19

Transmission speed setting in V. 17 mode

WSW20

Overseas communications mode setting

WSW21

TAD setting 1

WSW22

ECM setting

WSW23

Communications setting

WSW24

TAD setting 2

WSW25

TAD setting 3

WSW26

Function setting 4

WSW27

Function setting 5

WSW28

Function setting 6

WSW29

Function setting 7

WSW30

Function setting 8

WSW31

Function setting 9

WSW32

Function setting 10

WSW33

Function setting 11

WSW34

Function setting 12

WSW35

Function setting 13

WSW36

Function setting 14

WSW37

Function setting 15

WSW38

Function setting 16, in V. 34 mode

WSW39

Transmission speed setting in V. 34 mode

WSW40

Function setting 17, in V. 34 mode

WSW41

CCD fluorescent lamp and modem attenuator, in V. 34 mode

WSW42

Function setting 18

WSW43

Function setting 19

WSW44

Speeding up scanning-1

WSW45

Speeding up scanning-2

WSW46

Monitor of power ON/OFF state and parallel port kept at high

WSW47

Delay of FAX line disconnection

WSW48 to 50

Not used.