Brother DCP-T520W Online User's Manual page 431

(A)
4. For pattern (A), press d or c to select the number of the test print that has the fewest visible vertical stripes
(1-9), and then press OK.
In the example above, row number 6 is the best choice.
Repeat this step for the rest of the patterns.
When the print alignment is not adjusted correctly, text looks blurry or crooked, like this:
After the print alignment is adjusted correctly, text looks like this:
5. Press Stop/Exit.
Related Information
• Check Your Brother Machine
Related Topics:
• Paper Handling and Printing Problems
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