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You may need to replace the ink cartridge when the
following condition exist:
§ You have been using the cartridge for over one year.
§ Your printed output is not crisp and clear, or there are gaps in
the characters (missing dots).
§ Your output has no ink on it.
If your print quality is not crisp and clear, see Chapter 7,
Troubleshooting, for possible solutions. If the problem
seems to be your ink cartridge, be sure to clean the print
head before determining that you need to replace the
cartridge, be sure to clean the print head before determining
that you need to replace the cartridge. If you clean the print
head several times and your print quality does not improve,
you need to replace the cartridge. (The print head cleaning
procedure is described later in this chapter.)
Print head cleaning is not a routine maintenance procedure. Only
clean the print head if your print quality is inadequate.
The Bubble Jet Printer BJ-200ex was designed to be used
exclusively with Canon ink cartridges. Other inks may damage
the print head capping and cleaning devices in the printer. If you
have problems that are caused by using third-party ink or ink
cartridges, your warranty will be void.
Ink Cartridge Guidelines
To avoid spilling ink, follow these precautions:
§ Do not attempt to disassemble or refill the ink cartridge.
§ Do not vigorously shake the ink cartridge while handling it.
§ Do not unpack an ink cartridge until you are ready to install it.
§ Do not remove the ink cartridge unless you need to replace it.
§ Do not touch the print head on the ink cartridge or the sharp
edges around it.
§ Do not hold the ink catridge, or place it on a table, with the
print head facing down, (except when you are installing it).
If spilled, the ink is difficult to clean. Therefore, it's a good idea to
keep the ink cartridges out of children's reach.
Using Ink
Ink formulation is the most critical component of a Bubble
Jet printer. The ink you use must meet these guidelines: