BT PaperJet 300 User Manual page 56

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
Press Enter. Display shows
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.
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PaperJet 300 user guide ~ Edition 3.2 ~ 25th july '01 ~ 3693
1: CLEAN NOZZLES?
PRINTING and
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.