Perform A Manual Print Head Alignment MP640 / MP640R

Article ID: ART108405 | Date published: 05/11/2015 | Date last updated: 08/16/2015
 

Description

Manual print head alignment instructions

Solution

Manual Print Head Alignment

This section describes how to align the Print Head manually.

If the results of Automatic Print Head Alignment are not satisfactory, follow the procedure below to perform Manual Print Head Alignment to precisely align the Print Head.

Note

  • Close the Inner Cover if it is open.

  • The print head alignment pattern is printed in black and blue only.

  1. Make sure that the printer is turned on.

  2. Load three sheets of A4 or Letter-sized plain paper in the Cassette.

  3. Open the Paper Output Tray and the Output Tray Extension.

  4. Select Settings on the HOME screen, then press the OK button.

    The Settings screen is displayed.

  5. Select Maintenance, then press the OK button.

    The Maintenance screen is displayed.

  6. Select Manual head align, then press the OK button.

    The confirmation screen is displayed.

    Note

    • To confirm the current setting, select Head alignment print and print the pattern.

  7. Select Yes, then press the OK button.

    The print head alignment pattern is printed.

    Important

    • Do not open the Scanning Unit (Cover) while printing is in progress.

  8. When Did the patterns print correctly? is displayed, confirm that the pattern is printed correctly, select Yes, then press the OK button.

    The input screen for the head position adjustment values is displayed.

    figure: LCD
  9. Check the printed patterns, and use the LEFTRIGHT button to input the number of the pattern in column A that has the least noticeable vertical streaks.

    Note

    • If it is difficult to pick the best pattern, pick the setting that produces the least noticeable vertical white streaks.

      (A) Less noticeable vertical white streaks

      (B) More noticeable vertical white streaks

  10. Repeat the same procedure until you finish inputting the pattern number for columns B to G, then press the OK button.

    For the column F and G, pick the setting pointed by an arrow that produces the least noticeable horizontal streaks.

    Note

    • If it is difficult to pick the best pattern, pick the setting that produces the least noticeable horizontal white streaks.

      (C) Less noticeable horizontal white streaks

      (D) More noticeable horizontal white streaks

  11. Confirm the displayed message and press the OK button.

    The second pattern is printed.

    Important

    • Do not open the Scanning Unit (Cover) while printing is in progress.

  12. Check the printed patterns, and use the LEFTRIGHT button to input the number of the pattern in column H that has the least noticeable vertical streaks.

    Note

    • If it is difficult to pick the best pattern, pick the setting that produces the least noticeable vertical white streaks.

      (E) Less noticeable vertical white streaks

      (F) More noticeable vertical white streaks

  13. Repeat the same procedure until you finish inputting the pattern number for columns I to Q, then press the OK button.

  14. Confirm the displayed message and press the OK button.

    The third pattern is printed.

    Important

    • Do not open the Scanning Unit (Cover) while printing is in progress.

  15. Check the printed patterns, and use the LEFTRIGHT button to input the number of the pattern in column a that has the least noticeable horizontal streaks.

    Note

    • If it is difficult to pick the best pattern, pick the setting that produces the least noticeable horizontal white streaks.

      (G) Less noticeable horizontal white streaks

      (H) More noticeable horizontal white streaks

  16. Repeat the same procedure until you finish inputting the pattern number for columns b to j, then press the OK button.


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