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Confidential
TABLE OF CONTENTS
CHAPTER 1 PARTS NAMES & FUNCTIONS
1.1 EQUIPMENT
OUTLINE.............................................................................................1-1
1.2 CONTROL
PANEL ....................................................................................................1-2
1.3 COMPONENTS .........................................................................................................1-4
CHAPTER 2 SPECIFICATIONS
2.1 GENERAL..................................................................................................................2-1
2.1.1 General
Specifications .........................................................................................2-1
2.1.2 Paper
Specifications.............................................................................................2-2
2.1.3 Printable
Area
................................................................................................................
2-3
2.2 SPECIFICATIONS
LIST ............................................................................................2-4
CHAPTER 3 THEORY OF OPERATION
3.1 OVERVIEW................................................................................................................3-1
3.2 PRINTER
SECTION ..................................................................................................3-2
3.2.1 Print System and Transfer System ......................................................................3-7
[ 1 ] Structure of the machine ......................................................................................3-8
[ 2 ] Basic structure of the printing system ..................................................................3-9
[ 3 ] Details of each process......................................................................................3-11
3.2.2 Laser ASSY PU..................................................................................................3-21
3.2.3 Paper Transportation System.............................................................................3-22
3.2.4 Fusing
Unit .........................................................................................................3-23
3.3
STRUCTURE OF THE CONTROL SYSTEM..........................................................3-25
3.3.1 Basic
Structure ...................................................................................................3-25
[ 1 ] Electrical system and function............................................................................3-25
3.3.2 Control
System...................................................................................................3-32
[ 1 ] Control of the print process ................................................................................3-32
3.3.3 Main PCB (Video Controller PCB)......................................................................3-41
[ 1 ] Outline ................................................................................................................3-41
[ 2 ] Circuit .................................................................................................................3-41
3.4 SCANNER
MECHANISM ........................................................................................3-45
Содержание MFC-9420CN
Страница 1: ...Confidential FACSIMILE EQUIPMENT SERVICE MANUAL MODELS MFC 9420CN ...
Страница 16: ...Confidential CHAPTER 1 PARTS NAMES FUNCTIONS ...
Страница 22: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Страница 33: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Страница 48: ...Confidential 3 1 4 CBV DBV Fig 3 16 Y M C K Fig 3 17 ...
Страница 69: ...Confidential 3 3 5 Fig 3 35 ...
Страница 73: ...Confidential 3 3 9 3 Interface Circuit Printer side Fig 3 38 ...
Страница 82: ...Confidential CHAPTER 4 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR ...
Страница 85: ...Confidential 4 2 Cover page sample End page sample Fig 4 1 ...
Страница 86: ...Confidential CHAPTER 5 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Страница 94: ...Confidential 5 5 5 1 1 AC Cord 1 Disconnect AC cord from the machine Fig 5 1 AC cord Machine ...
Страница 100: ...Confidential 5 11 5 1 5 Side Cover LR 1 Remove the screw and then remove the side cover LR Fig 5 8 Side cover LR Screw ...
Страница 172: ...Confidential 5 83 CIS unit 2 Side cover L Hole Main PCB CIS unit CIS flat cable Document scanner Insert ...
Страница 173: ...Confidential 5 84 FB motor 3 Side cover L Hole Hole Main PCB Document scanner FB motor FB motor harness Insert ...
Страница 175: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Страница 203: ...Confidential CHAPTER 7 CLEANING ...
Страница 205: ...Confidential CHAPTER 8 MAINTENANCE MODE ...
Страница 213: ...8 6 Confidential Fig 8 2 Scanning Compensation Data List a b c d e f g h i j k l m n q ...
Страница 224: ...8 17 Confidential Cover page sample End page sample Fig 8 8 ...
Страница 255: ...Confidential CHAPTER 9 ERROR INDICATION AND TROUBLESHOOTING ...
Страница 279: ...Confidential 9 23 2 Image failure 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...
Страница 280: ...Confidential 9 24 15 a 15 b 16 17 18 19 20 21 22 23 24 25 Fig 9 1 ...
Страница 325: ...App 1 5 Confidential 6 Transfer Unit X X X X X X 7 1 2 3 Location SERIAL NO YEAR MONTH DATE ...
Страница 398: ...B Power Supply PCB 100V 127V Confidential ...
Страница 399: ...B Power Supply PCB 240V Confidential ...
Страница 428: ...SM FAX045 5CS101 6 Printed in Japan ...