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Brother International MFC-9880N Service Manual - Page 246

Asia/Oceania 2/2, JW35;JW38;L5;L6;L7;L8

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ASSY ADRS. ZNR1 SP2 CR2 Q5 D3 JW15 JW29 JW31 JW43 PC1 R4 JW6;JW11 ZD1;ZD2 R1 R2 R9 R11 R12 R13 R22 C1 C10 C11 C12 C13 CN3 CN5 CN4 Q2 R7 R8;R30 R14 R32;R36 R34;R35 R37 C8 C9;C19 C20;C21 C24 JW35;JW38;L5;L6;L7;L8 D4;D5 JW28 #2 R33 C18 JW9;JW34;JW39 Q3 R10 R17 JW2;JW3 NCU B53K479 ASSY ASIA W/O TEL NAME Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy JW (5) 1/16W 0 Not Assy JW (5) Not Assy Not Assy 1/4W 22K 1/4W 22K 1/16W 1% 4.7K 1/16W 1% 910 1/16W 1% 2K 1/16W 1% 9.1K Not Assy ALUM-ELEC 16B100 Not Assy CERAMIC 50C103B Not Assy CERAMIC 16C224B Not Assy Not Assy B13B-PH Not Assy Not Assy 1/16W 0 Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy 1/16W 0 Not Assy Not Assy NCU B53K479 ASSY OCEANIA W/O TEL NAME ENC121D07A 1/16W 0 SH-124DZ DTC123EK 1SS120 JW(10) JW (5) Not Assy Not Assy Not Assy JW (5) Not Assy Not Assy Not Assy JW (5) 1/16W 1% 2.7K 1/16W 1% 1.10K CERAMIC 16C224B 1/16W 1% 3.9K 1/16W 20K ALUM-ELEC 50B10-1 CERAMIC 50C563B Not Assy CERAMIC 50C562B RESISTOR 0 Not Assy Not Assy B13B-PH Not Assy Not Assy 1/16W 0 Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy Not Assy 1/16W 0 Not Assy Not Assy D NCU PCB (Asia/Oceania) 2/2

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

Match case Limit results 1 per page

NCU PCB

(Asia/Oceania) 2/2

ASSY

NCU B53K479 ASSY

ASIA W/O TEL

NCU B53K479 ASSY

OCEANIA W/O TEL

ADRS.

NAME

ZNR1

Not Assy

ENC121D07A

SP2

Not Assy

1/16W 0

CR2

Not Assy

SH-124DZ

Not Assy

DTC123EK

Not Assy

1SS120

JW15

Not Assy

JW(10)

JW29

Not Assy

JW (5)

JW31

JW (5)

Not Assy

JW43

1/16W 0

Not Assy

PC1

Not Assy

JW (5)

JW6;JW11

Not Assy

ZD1;ZD2

Not Assy

1/4W 22K

Not Assy

1/4W 22K

JW (5)

1/16W 1% 4.7K

1/16W 1% 2.7K

R11

1/16W 1% 910

1/16W 1% 1.10K

R12

1/16W 1% 2K

CERAMIC 16C224B

R13

1/16W 1% 9.1K

1/16W 1% 3.9K

R22

Not Assy

1/16W 20K

ALUM-ELEC 16B100

ALUM-ELEC 50B10-1

C10

Not Assy

CERAMIC 50C563B

C11

CERAMIC 50C103B

Not Assy

C12

Not Assy

CERAMIC 50C562B

C13

CERAMIC 16C224B

RESISTOR 0

CN3

Not Assy

CN5

Not Assy

CN4

B13B-PH

Not Assy

R8;R30

1/16W 0

R14

Not Assy

R32;R36

Not Assy

R34;R35

Not Assy

R37

Not Assy

C9;C19

Not Assy

C20;C21

Not Assy

C24

Not Assy

JW35;JW38;L5;L6;L7;L8

Not Assy

D4;D5

Not Assy

JW28

Not Assy

R33

Not Assy

C18

Not Assy

JW9;JW34;JW39

Not Assy

R10

1/16W 0

R17

Not Assy

JW2;JW3

Not Assy