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# Adjust Print-head Positions

Follow the procedure below to print a test pattern and adjust the print-head positions if vertical lines are printed unaligned or printed colors look blurred.

- To check the printed test pattern, proceed to step 8..

- When the envelope selector is not at the correct position, the colors may be printed unaligned.

1. Open the printer properties dialog box.

2. Click the [Maintenance] tab.

3. Click [Adjust Print-head Positions].

4. In the [Select a test pattern:] list, select a test pattern.

   - Select a resolution. To adjust print-head positions for all resolutions, repeat this procedure selecting the other resolution.

   [High speed/ Standard (speed priority)] is selected here as an example.

5. Click [Next >].

6. Check that A4/Letter size paper is loaded in the paper tray.

7. Click [Next >].

   A test pattern to adjust print-head positions is printed.

   - Do not perform other operations during printing.

   - The "High quality" test pattern differs from the "Standard" test pattern.

8. Check the optimal adjustment values on the printed test pattern.

   - The optimal adjustment value is the column number that appears above the lightest gray square with straight vertical lines on both sides. When the column number is "+2" for the "A" line, the optimal adjustment value is "+2" for "A".

9. Enter the optimal adjustment values.

10. Click [Finish].

    - Repeat steps 4. to10. to print the "High quality" or "Standard" test pattern and enter the optimal adjustment values.

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