Brother MFC-590 Owner's Manual page 145

• DO NOT remove ink cartridges if you do not need to replace them. If you
do so, it may reduce the ink quantity and the printer will not know the
quantity of ink left in the cartridge.
• DO NOT shake the ink cartridges, because the ink may spill when you take
off the sealing tape.
• DO NOT refill the ink cartridges. Attempting to use refilled cartridges and
using incompatible inks may cause damage to the print heads in this
machine and such damage will not be covered by warranty. Warranty
coverage does not apply to problems caused by the use of 3rd party ink
of 3rd party ink cartridges. We can only recommend the use of genuine
Brother consumables.
I If the INK EMPTY message is on the display after you have installed ink
cartridges, check that the ink cartridges are installed correctly.
I If ink stains your body or clothing, wash with soap or detergent immediately.
I If you install an ink cartridge in the wrong colour position, you must clean the
print head several times before you start printing, after correcting the cartridge
installation, because the colours were mixed.
I Once you open an ink cartridge, install it in the machine and use it up within six
months of installation. Use unopened ink cartridge by the expiry date printed on
the box.
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Chapter 17