Brother MFC640CW Service Manual page 164

CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS,
REQUIRED AFTER PARTS REPLACEMENT
This chapter details adjustments and updating of settings, which are required if the head/carriage
unit, main PCB and some other parts have been replaced.
6.1 PREPARATION .......................................................................................................6-1
6.1.1 Requirements ...............................................................................................6-1
6.1.2 Loading the Update Programs/Data to the Machine .........................................6-2
6.2 IF YOU REPLACE THE HEAD/CARRIAGE UNIT OR ENGINE UNIT ...........................6-6
[ 1 ] Update the head property information stored in the EEPROM
on the main PCB ...................................................................................6-6
[ 2 ] Clean the new head/carriage unit ............................................................6-9
[ 3 ] Correct the positioning error of the head/carriage unit ............................ 6-10
[ 4 ] Update the paper feeding correction value............................................. 6-12
[ 5 ] Align vertical print lines......................................................................... 6-15
[ 6 ] Margin adjustment in near-edge printing ................................................ 6-17
[ 7 ] Print out a test pattern......................................................................... 6-20
[ 8 ] Switch back to standby ........................................................................ 6-20
[ 9 ] Replace the ink cartridges with protective ones...................................... 6-20
6.3 IF YOU REPLACE THE MAIN PCB......................................................................... 6-21
[ 1 ] Load update programs/data ................................................................. 6-21
[ 2 ] Initialize the EEPROM on the main PCB (Function code 01).................... 6-21
[ 3 ] Customize the EEPROM on the main PCB (Function code 74) ................ 6-22
[ 4 ] Check the control panel PCB for normal operation (Function code 13) ..... 6-22
[ 5 ] Make a sensor operational check (Function code 32) ............................. 6-22
[ 6 ] Acquire white level data and set the CIS scanner area
(Function code 55)............................................................................... 6-22
[ 7 ] Set an ID code and update the head property information....................... 6-22
[ 8 ] Update the paper feeding correction value............................................. 6-25
[ 9 ] Align vertical print lines......................................................................... 6-25
[ 10 ] Margin adjustment in near-edge printing ................................................ 6-25
[ 11 ] Adjust the light intensity of the LCD backlight
(for models with backlights).................................................................. 6-25
[ 12 ] Specify the CIS type (Function code 59) ............................................... 6-25
[ 13 ] Switch back to standby ........................................................................ 6-25
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