Maintenance ProcedureIf print results are blurred, colors are not printed correctly, or print results are unsatisfactory (e.g. misalignedprinted ruled lines), perform the maintenance procedure below.Note• Increasing the print quality in the printer driver settings may improve the print result.Changing the Print Quality and Correcting Image DataWhen the Print Results Are Blurred or Uneven:Step1 Print the nozzle check pattern.From the printerPrinting the Nozzle Check PatternFrom the computerUse Your Computer to Print a Nozzle Check PatternStep2 Examine the nozzle check pattern.If there are missing lines or horizontal white streaks in the pattern:Step3 Clean the print head.From the printerCleaning the Print HeadFrom the computerCleaning the Print Heads from Your ComputerAfter cleaning the print head, print and examine the nozzle check pattern: Step1If the problem is not resolved after performing from step 1 to step 3 twice:Step4 Clean the print head deeply.From the printerCleaning the Print Head DeeplyFrom the computerCleaning the Print Heads from Your ComputerNote• When you have performed the procedure until step 4 and the problem has not been resolved, turn offthe power and clean the print head deeply again after 24 hours.If the problem is still not resolved, the print head may be damaged. Contact the service center.159