Required After Parts Replacement - Brother MFC-9420CN Service Manual

CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS,
This chapter details adjustments and updating of settings, which are required if main PCB and
some other parts have been replaced.
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 ADJUSTMENT OF THE GUIDE B POSITION OF TOP FUSE COVER FU....................6-4
6.3 PERIODIC MAINTENANCE PROCEDURES ..................................................................6-5
6.3.1 Replacement of OPC Belt Cartridge ....................................................................6-5
6.3.2 Replacement of Fusing Unit.................................................................................6-9
6.3.3 Replacement of Transfer Roller ASSY PU (120K KIT) ......................................6-12
6.3.4 Replacement of Cleaning Roller PU (120K KIT) ................................................6-14
6.3.5 Replacement of Paper Feed Roller and Separator Pad (120K KIT) ..................6-16
6.3.6 Replacement of Transfer Unit PU (120K KIT)....................................................6-20

REQUIRED AFTER PARTS REPLACEMENT

CONTENTS
Confidential