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Clean the print head nozzles - MP240 / MP250

Article ID: ART105325 | Date published: 05/11/2015 | Date last updated: 08/15/2015
 

Description

The following contains instructions to check the nozzles for poor print quality and perform cleanings of the print head nozzles as necessary.

Solution

Clean the Print Head if lines are missing or if white streaks are present in the printed nozzle check pattern. Cleaning unclogs the nozzles and restores the print head condition. Cleaning the Print Head consumes ink, so clean the Print Head only when necessary. Use the following instructions to perform print head cleanings or print head deep cleanings.

Print Nozzle Check Pattern

  1. Ensure that the printer is powered (1) on and a number appears in the LED.

  2. Open the paper output tray (3).

  3. Load letter-sized plain paper in the rear tray (2).



  4. Press the <> (Maintenance) button once to display [A] in the LED.



  5. Press the <Black> or <Color> button. (The nozzle check pattern is printed.)

  6. Confirm the nozzle check pattern.

< 1 > The normal nozzle check pattern< 2 > The abnormal nozzle check pattern

< 3 > Some black ink lines are broken.

< 4 > White lines are present in the color ink pattern.

< 5 > black and color inks are not present.

Print Head Cleaning

  1. Press the < >(Maintenance) button twice to display [H] in the LED.



  2. Press the <Black> or <Color> button. (The print head cleaning starts.)

    Note: Do not perform any other operations until the machine completes the cleaning of the Print Head. This takes about 1 to 2 minutes.
  3. Print the nozzle check pattern and check the print head status.

  4. If the print quality does not improve after performing two consecutive print head cleanings, perform deep print head cleaning.

Deep Print Head Cleaning

  1. Press the <Maintenance> button repeatedly until [y] appears.



  2. Press the <Black< or <Color> button.

    Note: Do not perform any other operations until the machine completes the deep cleaning of the Print Head. This takes about 2 minutes.

  3. Print the nozzle check pattern and check the print head status.

Note: If the printed result does not improve even after doing print head deep cleaning, turn off the printer. Then, after 24 hours or later, do print head deep cleaning again. After a given time interval, ink could dissolve itself, resulting in ink unclogging. When the printed result does not improve even after these steps, replacement of ink cartridges may be required.

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