Brother MFC-590 Owner's Manual page 137

Check the quality of the four colour blocks in the sheet. (BLACK/CYAN/YELLOW/MAGENTA).
If the quality is OK for all colours, press 1 (YES) to go to STEP B––OR––
If white horizontal lines appear in some colour blocks below, press 2 (NO).
The LCD will ask you if the print quality is OK for each
colour.
Press 2 (NO) for any colour with a problem.
The LCD shows:
Press 1 (YES). The machine will start cleaning the colours.
After cleaning is finished, press Mono Fax Start. The machine will start printing the Print Quality
Check Sheet again and then return to STEP A. If STEP A is OK, press 1 to proceed to STEP B.
STEP B: Alignment Check
The LCD shows:
Check the 600 DPI and 1200 DPI test prints to see if number 5 most closely matches number 0. If
the number 5 sample of both the 600 DPI and 1200 DPI are the best matches, press 1 (YES) to finish
STEP B
—OR—
If another test print number is a better match for either 600 DPI or 1200 DPI, press 2 (NO) to select it.
Do NOT select
128
Chapter 17
OK
Poor
BLACK OK?
1.YES 2.NO
START CLEANING?
1.YES 2.NO
IS STEP "B" OK?
1.YES 2.NO
}
600 DPI
}
1200 DPI