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Replacement – Brother Facsimile Equipment MFC7420 User Manual

Page 151

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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

[ 1 ] Load update programs/data ........................................................................ 6-1

[ 2 ] Initialize the EEPROM on the main PCB (Function code 01) ..................... 6-1

[ 3 ] Customize the EEPROM on the main PCB (Function code 74) ................. 6-1

[ 4 ] Check the control panel PCB for normal operation (Function code 13) ..... 6-1

[ 5 ] Make a sensor operation check (Function code 32) ................................... 6-1

[ 6 ] Acquire of white level data and set the CIS scanner area

(Function

code 55)....................................................................................... 6-1

[ 7 ] Setting the serial number............................................................................. 6-1

[ 8 ] Inputting the adjusted value of the laser scanner........................................ 6-1

[ 9 ] Switch back to standby................................................................................ 6-1

6.2

IF YOU REPLACE THE LASER SCANNER UNIT ASSY .............................................. 6-2

[ 1 ] Inputting the adjusted value of the laser scanner ........................................ 6-2

6.3

IF YOU REPLACE THE DOCUMENT SCANNER UNIT ................................................ 6-2

[ 1 ] Acquire of white level data and CIS scanner area setting

(Function code 55)....................................................................................... 6-2