BT Fax User Manual page 56

Make sure there is paper in the plain
paper tray.
Press
Press
Display shows
Press
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.
54
until the display shows
.
. Display shows
Make sure there is paper in the plain
paper tray.
Open the printer Control Program.
Click the
Click
300 starts the nozzle cleaning test.
and
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.
tab.
. Your PaperJet