Brother GTX-4, Руководство по обслуживанию

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Improvement of print quality
(12) After replacing the wiper cleaner, is such failure cleared?
(1) With reference to "6-1-19. Replacing the wiper cleaner", replace the wiper cleaner with a new one.
(2) Print out a nozzle check pattern to check the result.

If non-ink ejection nozzle is not found -> OK

If the state of non-ink ejection nozzle is not changed -> NG
=> With reference to "5-1-4. Cleaning of head nozzle", clean the nozzles.
=> Print out the nozzle check pattern once again, and if the print quality is not regained, clean the head
with reference to "7-2-2. Head cleaning".
=> Print out the nozzle check pattern once again, and if the print quality is not regained, clean the head
with reference to "6-1-31. Replacement of print head".