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Performing the System Cleaning

If print quality is not improved by deep cleaning of the print head, perform system cleaning. System cleaning consumes a great amount of ink. Frequent system cleaning can rapidly consume ink, so perform system cleaning only when necessary.

Important

  • When performing the system cleaning, check the free space in the maintenance cartridge. If there is not enough free space, replace with the new maintenance cartridge. In the case of shortage of free space in the maintenance cartridge, a message is displayed and the cleaning cannot be performed.

Items to Prepare
A sheet of A4 or Letter-sized plain paper

  1. Load a single sheet of A4 or Letter size plain paper in the top feed.

    After loading the paper, the paper information registration screen for the top feed is displayed.

    Select A4 or Letter for Page size and Plain paper for Type, select Register, then press the OK button.

    If a message is displayed on the screen, follow the directions in the message to complete registration.

    Important

    • The manual feed tray is not available for the nozzle check pattern print procedure. Be sure to load paper in the top feed.

  2. Open the paper output tray gently.

    Open the output tray extension gently, then pull out the paper output support.

  3. Select Maintenance on the HOME screen.

  4. Select System Cleaning.

    The confirmation screen will appear.

  5. Select Yes.

    The printer starts system cleaning of the print head.

    Do not perform any other operations until the printer completes system cleaning of the print head.

    The pattern print confirmation screen will appear.

  6. Check message and select Yes.

    The nozzle check pattern will be printed.

  7. When the completion message appears, select OK.

  8. Check the print result.

    Check if there are missing lines in the pattern C or horizontal streaks in the pattern D.

    • A: No missing lines/No horizontal streaks
    • B: Lines are missing/Horizontal streaks are present
    • E: Number of sheets printed so far

    Note

    • Because CO ink is colorless, its pattern is printed over the MBK ink pattern. Check for horizontal streaks (F) in the dark gray bands of the pattern.

If the problem is not resolved after performing system cleaning, turn off the power and clean the print head deeply again after 24 hours.

If the problem is still not resolved, print head replacement may be required.