Required After Parts Replacement - Brother MFC990CW Service Manual

CHAPTER 7 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.
7.1 PREPARATION ...................................................................................................... 7-1
7.1.1 Requirements ............................................................................................ 7-1
7.1.2 Installing the Maintenance USB Printer Driver .......................................... 7-3
7.2 IF YOU REPLACE THE HEAD/CARRIAGE UNIT OR ENGINE UNIT................... 7-7
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7.3 IF YOU REPLACE THE MAIN PCB ....................................................................... 7-30
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CONTENTS
Update the head property information stored in the EEPROM
on the main PCB ............................................................................... 7-7
Clean the new head/carriage unit (Function code 76) ...................... 7-11
Print out a test pattern (Function code 09) ........................................ 7-12
Correct the positioning error of the head/carriage unit...................... 7-13
Update the paper feeding correction value (Function code 58) ........ 7-16
Align vertical print lines (Function code 65) ...................................... 7-20
Adjust margins in borderless printing (Function code 66) ................. 7-22
Print out a total check pattern ........................................................... 7-27
Switch back to standby ..................................................................... 7-29
Replace the ink cartridges with the protective part ........................... 7-29
Load update programs/data .............................................................. 7-30
Initialize the EEPROM on the main PCB (Function code 01) ........... 7-30
Customize the EEPROM on the main PCB (Function code 74) ....... 7-30
Specify the CIS type (Function code 59)........................................... 7-30
Register base ID code to the main PCB and base unit
(cordless PCB) (For models with cordless handsets) ....................... 7-30
Check the control panel PCB for normal operation
(Function code 13) ............................................................................ 7-31
Check the sensor operation (Function code 32) ............................... 7-31
Acquire white level data and set CIS scanner area
(Function code 55) ............................................................................ 7-31
Set an ID code and update the head property information ............... 7-31
Back up machine information (Function code 46)............................. 7-33
Update the paper feeding correction value (Function code 58) ........ 7-34
Align vertical print lines (Function code 65) ...................................... 7-34
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