User's Guide Improving Print and Scan Quality ❏ There are broken lines or missing segments: The print head nozzles may be clogged. Go to the next step. Note: The test pattern may vary by model. 7. Select Yes using the d or u button, and then press the OK button. 8. Follow the on-screen instructions to clean the print head. 9. When cleaning is finished, select Nozzle Check using the d or u button, and then follow the on-screen instructions to print the nozzle check pattern again. Repeat cleaning and printing the pattern until all lines are printed completely. Related Information & “Loading Paper in the Paper Cassette” on page 27 Checking and Cleaning the Print Head - Windows 1.
Load A4-size plain paper in the printer. 2. Access the printer driver window. 3. Click Nozzle Check on the Maintenance tab. 4. Follow the on-screen instructions. Related Information & “Loading Paper in the Paper Cassette” on page 27 & “Windows Printer Driver” on page 93 Checking and Cleaning the Print Head - Mac OS X 1. Load A4-size plain paper in the printer. 2. Select System Preferences from the menu > Printers & Scanners (or Print & Scan , Print & Fax ), and then select the printer. 3. Click Options & Supplies > Utility > Open Printer Utility . 4. Click Nozzle Check . 87