Brother International MFC-J4710DW Users Manual Basic - English - Page 111
Cleaning the print head
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NOTE In addition to cleaning the scanner glass and glass strip with a non-flammable glass cleaner, run your fingertip over the glass to see if you can feel anything on it. If you feel dirt or debris, clean the glass again concentrating on that area. You may need to repeat the cleaning process three or four times. To test, make a copy after each cleaning attempt. i When there is a spot of dirt or correction fluid on the glass strip, the printed sample shows a vertical line. After the glass strip is cleaned, the vertical line is gone. Routine maintenance Cleaning the print head A To maintain good print quality, the machine will automatically clean the print head when needed. You can start the cleaning process manually if there is a print quality problem. Clean the print head if you get a horizontal line in the text or graphics, or blank text on your printed pages. You can clean Black only, three colors at a time (Yellow/Cyan/Magenta), or all four colors at once. Cleaning the print head consumes ink. Cleaning too often uses ink unnecessarily. IMPORTANT DO NOT touch the print head. Touching the print head may cause permanent damage and may void the print head's warranty. a Press . NOTE You can also press and Ink. b Press Cleaning. c Press Black, Color or All. The machine cleans the print head. When cleaning is finished, the machine A will go back to Ready mode automatically. 97