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Head Position Adjust

Adjusts the print head. Perform this operation if printed lines are vertically misaligned or printed colors are blurred.

To check adjustment values, print test patterns applying "High Speed", "Standard", "High Quality" "Envelope" settings.

If there are several lines in the test pattern, check adjustment values for each line, and adjust the print head positions. If the adjustment value is set to "0", adjustment is not necessary. Adjust all lines so their adjustment values indicate "0".

1Press the [User Tools] key.

2Press [Login].

3Enter the login password, and then press the [OK] key.

4Press the [Up arrow key] or [Down arrow key] key to display [Maintenance], and then press the [OK] key.

5Press the [Up arrow key] or [Down arrow key] key to display [Head Position Adjust], and then press the [OK] key.

6Press the [Up arrow key] or [Down arrow key] key to select the target's resolutions, and then press the [OK] key.

7Press the [B&W Start] or [Color Start] key.

B&W Start and Color Start key illustration

A test pattern to adjust print head positions is printed.

8To determine the adjustment value, select the square that is faintest (closest to white). Alternatively, select the square whose internal lines overlap to form a single color.

illustration of head position

Combined two-color lines form squares, and depending on line overlapping, (white) spaces between the lines are painted and look darker. Sometimes the colors of the lines are identical.

For this illustration, the adjustment value is "-2". Checking adjustment values for each item is required.

  • If you cannot determine the adjustment value, select the square that is between the straightest lines.

    illustration of head position

    Each vertical line is made of an upper part and lower part. If the print head is not properly positioned, the vertical line will be displayed as two disconnected lines, so that the line looks misaligned.

  • If you still cannot determine the adjustment value, locate the square that is between adjacent squares whose lines form symmetry. Adjacent squares can be one or two places either side (at positions ±1 or ±2).

    This illustration indicates an adjustment value that is set to "-1".

    illustration of head position

9Press [Adjust].

If you have selected "High Quality" or "Envelope", skip to Step 11.

10Select the items that you need to adjust, and then press the [OK] key.

11Enter the optimal adjustment values from Step 8, and then press the [OK] key.

12Press [Exit].

13Press the [Escape] key.