If the problem is not resolved after performing from step 1 to step 3 twice:Step4 Clean the print head deeply.From the printerDeep Print Head CleaningFrom the computer• For Windows:Cleaning the Print Heads• For macOS:Cleaning the Print HeadsAfter deep print head cleaning, print and examine the nozzle check pattern: Step1When you have performed the procedure until step 4 and the problem has not been resolved, turn off thepower and clean the print head deeply again after 24 hours.If the problem is still not resolved, perform ink flush.Ink flush consumes a great amount of ink. Frequent ink flush can rapidly consume ink, so perform ink flushonly when necessary.Important• If ink flush is performed when the remaining ink level is insufficient, it may cause a failure. Be sure tocheck the remaining ink level before performing ink flush.From the printerHow to Perform Ink FlushFrom the computerInk FlushIf the nozzle check pattern is not printed correctly even after performing ink flush, see Check Installation ofPrint Head.When the Print Results Are Not Even such as the Ruled Lines AreMisaligned:Step Align the print head.From the printerAligning the Print HeadFrom the computer• For Windows:Adjusting Print Head Position Automatically• For macOS:61