PaperJet 300 user guide ~ Edition 3.2 ~ 25th july ’01 ~ 3693
To purge the print nozzles at the machine
Make sure there is paper in the plain paper tray.
Press Function until the display shows
8: PRINTER?
Press Enter.
Display shows 1: CLEAN NOZZLES?
Press Enter. Display shows PRINTING and the nozzle test pattern is printed. This shows a test pattern of nozzles working correctly.
Compare the diagonal line above the bars to the diagonal line below the bars. If there is a broken line, the nozzles are clogged. If the bottom line has fewer breaks, or is of better print quality than the top line, run the test again.
If the print quality is not satisfactory after running the test three times, remove the cartridge and carefully wipe the nozzle plate with a damp soft tissue. Reinstall the cartridge and repeat the clean nozzle routine.
To purge the print nozzles from a PC
Make sure there is paper in the plain paper tray.
Open the printer Control Program.
Click the Cartridges tab.
Click Clean Print Nozzles. Your PaperJet 300 starts the nozzle cleaning test.
Examine the test pattern as shown above in ‘Cleaning the print nozzles at the machine’.
Compare the diagonal line above the bars to the diagonal line below the bars. If there is a broken line, the nozzles are clogged. If the bottom line has fewer breaks, or is of better print quality than the top line, run the test again.
If the print quality is not satisfactory after running the test three times, remove the cartridge and carefully wipe the nozzle plate with a damp soft tissue. Reinstall the cartridge and repeat the clean nozzle routine.
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