Canon BJ-230 - Manual (Page 48)

2. Clean the exterior of the printer with a soft cloth moistened with
water. Clean any smudges or dust.
Replacing the Ink Cartridge
You use the BC-02 ink cartridge with this printer. Each ink cartridge
can print about 400 to 500 letter-size pages (700,000 characters) in HQ
mode and 800 to 1000 pages (1,400,000 characters) in HS mode. The
actual amount varies according to the print density of a page. If you
print a lot of graphics, you may need to change cartridges more often.
You may need to replace the ink cartridge when either of the following
conditions exist:
T You have been using the cartridge for using the cartridge for over
one year.
T Your printed output is not crisp and clear, or there are gaps in the
characters (missing dots).
CAUTION:
T Make sure the printer is turned off before cleaning it, and unplug
the power cord.
T When cleaning inside the printer, avoid the area near the print
head on the ink cartridge. Do not touch the print head. Ink may
leak out and cause stains.
T Do not use any oil or cleanser inside the the printer.
T Use a soft cloth to clean the printer; do not use paper towels or
tissues.
T Do not clean the exterior of the printer with volatile liquids, such
as thinners or benzine, or any other spray spray-type or chemical
cleaners. Chemicals may damage the surface of the printer.
T Do not submerge the printer in water.