Lexmark 5770 Photo Jetprinter User Guide - Page 35
Cleaning the print nozzles
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Caring for your print cartridges Cleaning the print nozzles The print cartridge nozzle test helps you pinpoint any clogged nozzles. The nozzle test also cleans the print cartridge by cleaning (purging) the nozzles. A test line prints so you can see if the cleaning process was successful. Use the nozzle test: • When you suspect the nozzles are clogged • When characters are not printing completely To run the nozzle test: 1 Make sure there is paper in the automatic feeder. 2 From the printer's Control Program, click the Cartridges Tab. For help opening the Control Program, see "Opening the Control Program" on page 8. 3 Click the Clean Print Nozzles button. The printer feeds a sheet of paper and prints a nozzle test pattern, similar to the one shown below. 4 Examine the test pattern. The example above shows a test pattern of all nozzles functioning correctly. 5 Compare the diagonal line above the printed bars to the diagonal line below the printed bars. 29 Caring for your print cartridges