Canon BJ-30 - Manual (Page 116)

108 Troubleshooting Chapter 7
Problem Cause Solution
White streaks or missing Print head nozzles may be Execute the quick cleaning of
dots clogged with dust. the print head (see page 79);
then print a Nozzle pattern
(see page 42). Repeat
cleaning if necessary. If print
quality is not recovered after
executing the cleaning two or
three times, execute the
extensive cleaning
procedure.
The ink tank may be empty. Open the front cover and
check the contents of the ink
tank. If there is not any
liquid ink in the ink tank,
replace it with a new one.
BJ cartridge may be Make sure the BJ cartridge
installed incorrectly. and/or ink tank are installed
correctly.
The print medium being Use only print media
used may not be acceptable. specified in the Selecting
Paper Types section on
page 31.
The resolution set in the When printing in Epson LQ
printer driver may be mode, printing at 180 dpi in
180 dpi (the print mode HS mode may cause white
may be HS mode). streaks. To remedy, select
the HQ mode with the
printer’s operator panel.
The print head may be The BJ cartridge may need
worn out. to be replaced. Replace it
with a new one.