Printing the nozzle check pattern / Cleaning The Print Head Nozzles MX420
Article ID: ART109715 | Date published: 05/11/2015 | Date last updated: 08/17/2015
 

Description

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

Solution

Printing the Nozzle Check Pattern

Print the nozzle check pattern to determine whether the ink ejects properly from the print head nozzles.

reference:
  • If the remaining ink level is low, the nozzle check pattern will not be printed correctly. Replace the FINE Cartridge whose ink is low.





You need to prepare: a sheet of A4 or Letter-sized plain paper

1. Make sure that the power is turned on.

2. Make sure that one or more sheets of A4 or Letter-sized plain paper are loaded in the Rear Tray.

3. Open the Paper Output Tray gently.

4. Print the nozzle check pattern.

(1) Press the Setup button.

The setup menu screen will appear.

(2) Select [ Maintenance ] , and press the OK button.

The Maintenance screen will appear.

(3) Select [ Print nozzle check pattern ], and press the OK button.

The confirmation screen will appear.

(4) Select [ Yes ], and press the OK button.

The nozzle check pattern will be printed and two pattern confirmation screens will appear on the LCD.

5. Examine the nozzle check pattern.

Examining the Nozzle Check Pattern

Examine the nozzle check pattern, and clean the Print Head if necessary.

1. Check if there are missing lines in the pattern (1) or horizontal white streaks in the pattern (2).

(A) No missing lines/No horizontal white streaks

(B) Lines are missing/Horizontal white streaks are present

2. Select the pattern that is closer to the printed nozzle check pattern on the confirmation screen.

For (A) (no missing lines or no horizontal white streaks) in (1) and (2):

(1) The cleaning is not required. Select All A and press the OK button.

(2) Confirm the message and press the OK button.

The screen will return to the Maintenance screen.

reference:
  • To use other available functions, press the corresponding mode button.





For (B) (lines are missing or horizontal white streaks are present) in (1) or (2), or in (1) and (2):

(1) The cleaning is required. Select Also B and press the OK button.

The cleaning confirmation screen will appear.

(2) Select Yes and press the OK button.

The machine starts cleaning the Print Head.

See [cleaning the Print Head ]


Cleaning the Print Head

Clean the Print Head if lines are missing or if horizontal 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.

You need to prepare: a sheet of A4 or Letter-sized plain paper

1. Make sure that the power is turned on.

2. Make sure that one or more sheets of A4 or Letter-sized plain paper are loaded in the Rear Tray.

3. Open the Paper Output Tray gently.

4. Clean the Print Head.

(1) Press the Setup button.

The setup menu screen will appear.

(2) Select [ Maintenance ] , and press the OK button.

The Maintenance screen will appear.

(3) Select [ Cleaning ], and press the OK button.

The confirmation screen will appear.

(4) Select [ Yes ], and press the OK button.

The machine starts cleaning the Print Head.

Do not perform any other operations until the machine completes the cleaning of the Print Head. This takes about 1 to 2 minutes.

The pattern print confirmation screen will appear.

(5) Select [ Yes ], and press the OK button.

The nozzle check pattern will be printed.

5. Examine the nozzle check pattern.

See [Examining the Nozzle Check Pattern ].

reference:

  • To use other available functions, press the corresponding mode button.
  • If the problem is not resolved after cleaning the Print Head twice, clean the Print Head deeply. See [Deep cleaning the Print Head ].






Deep Cleaning the Print Head

If print quality does not improve by the standard cleaning of the Print Head, clean the Print Head deeply. Cleaning the Print Head deeply consumes more ink than the standard cleaning of the Print Head, so clean the Print Head deeply only when necessary.

You need to prepare: a sheet of A4 or Letter-sized plain paper

1. Make sure that the power is turned on.

2. Make sure that one or more sheets of A4 or Letter-sized plain paper are loaded in the Rear Tray.

3. Open the Paper Output Tray gently.

4. Clean the Print Head deeply.

(1) Press the [ Setup ] button.

The setup menu screen will appear.

(2) Select [ Maintenance ] , and press the OK button.

The Maintenance screen will appear.

(3) Select [ Deep cleaning ], and press the OK button.

The confirmation screen will appear.

(4) Select [ Yes ], and press the OK button.

The machine starts cleaning the Print Head deeply.

Do not perform any other operations until the machine completes the deep cleaning of the Print Head. This takes about 1 to 2 minutes.

The pattern print confirmation screen will appear.

(5) Select [ Yes ], and press the OK button.

The nozzle check pattern will be printed.

(6) When the completion message appears, press the OK button.

The screen will return to the Maintenance screen.

5. Examine the nozzle check pattern.

See [Examining the Nozzle Check Pattern ].

If the problem is not resolved, turn off the power and clean the Print Head deeply again after 24 hours. Do not disconnect the power plug when turning off the power.

If the problem is still not resolved, replace the FINE Cartridge with a new one.

If the problem is still not resolved after replacing the FINE cartridge, contact the service center.

reference:
  • To use other available functions, press the corresponding mode button.





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