Confidential
CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS,
REQUIRED AFTER PARTS REPLACEMENT
This chapter details adjustments and updating of settings, which are required if main PCB and
some other parts have been replaced.
CONTENTS
6.1
IF YOU REPLACE THE MAIN PCB.................................................................................6-1
6.1.1 EEPROM
Customizing .........................................................................................6-1
6.1.2 EEPROM Parameter Initialization ........................................................................6-1
6.1.3 ID Code Entry to the EEPROM ............................................................................6-1
6.1.4 CIS Scanner Area Setting ....................................................................................6-2
6.1.5 Setting Which Allows the User to Select the Country...........................................6-2
6.2
IF YOU REPLACE THE ENGINE CONTROL BOARD PU .............................................6-4
6.3
ADJUSTMENT OF THE GUIDE B POSITION OF TOP FUSE COVER FU....................6-5
6.4
PERIODIC MAINTENANCE PROCEDURES ..................................................................6-6
6.4.1 Replacement of OPC Belt Cartridge ....................................................................6-6
6.4.2 Replacement of Fusing Unit...............................................................................6-10
6.4.3 Replacement of Transfer Roller ASSY PU (120K KIT) ......................................6-13
6.4.4 Replacement of Cleaning Roller PU (120K KIT) ................................................6-15
6.4.5 Replacement of Paper Feed Roller and Separator Pad (120K KIT) ..................6-17
6.4.6 Replacement of Transfer Unit PU (120K KIT)....................................................6-23
6.5
IF YOU REPLACE THE OPC BELT CARTRIDGE........................................................6-25
6.6
IF YOU REPLACE THE FUSING UNIT .........................................................................6-26
Summary of Contents for MFC-9420CN
Page 1: ...Confidential FACSIMILE EQUIPMENT SERVICE MANUAL MODELS MFC 9420CN ...
Page 16: ...Confidential CHAPTER 1 PARTS NAMES FUNCTIONS ...
Page 22: ...Confidential CHAPTER 2 SPECIFICATIONS ...
Page 33: ...Confidential CHAPTER 3 THEORY OF OPERATION ...
Page 48: ...Confidential 3 1 4 CBV DBV Fig 3 16 Y M C K Fig 3 17 ...
Page 69: ...Confidential 3 3 5 Fig 3 35 ...
Page 73: ...Confidential 3 3 9 3 Interface Circuit Printer side Fig 3 38 ...
Page 82: ...Confidential CHAPTER 4 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR ...
Page 85: ...Confidential 4 2 Cover page sample End page sample Fig 4 1 ...
Page 86: ...Confidential CHAPTER 5 DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Page 94: ...Confidential 5 5 5 1 1 AC Cord 1 Disconnect AC cord from the machine Fig 5 1 AC cord Machine ...
Page 175: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Page 203: ...Confidential CHAPTER 7 CLEANING ...
Page 205: ...Confidential CHAPTER 8 MAINTENANCE MODE ...
Page 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 ...
Page 224: ...8 17 Confidential Cover page sample End page sample Fig 8 8 ...
Page 255: ...Confidential CHAPTER 9 ERROR INDICATION AND TROUBLESHOOTING ...
Page 279: ...Confidential 9 23 2 Image failure 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...
Page 280: ...Confidential 9 24 15 a 15 b 16 17 18 19 20 21 22 23 24 25 Fig 9 1 ...
Page 325: ...App 1 5 Confidential 6 Transfer Unit X X X X X X 7 1 2 3 Location SERIAL NO YEAR MONTH DATE ...
Page 398: ...B Power Supply PCB 100V 127V Confidential ...