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Solving Problems
❏ For best results, store ink supply unit packages with their bottom down.
❏ After bringing an ink supply unit inside from a cold storage site, allow it to warm up at room temperature for at
least 12 hours before using it.
❏ Do not drop or knock the ink supply unit against hard objects; otherwise, the ink may leak.
Handling precautions for replacing ink
❏ Do not touch the sections shown in the illustration. Doing so may prevent normal operation and printing.
❏ Install all ink supply units; otherwise you cannot print.
❏ Do not turn off the printer during ink charging. If the ink charging is incomplete, you may not be able to print.
❏ Do not leave the printer with the ink supply units removed; otherwise, ink remaining in the print head nozzles
may dry out and you may not be able to print.
❏ If you need to remove an ink supply unit temporarily, make sure you protect the ink supply area from dirt and
dust. Store the ink supply unit in the same environment as the printer. Because the ink supply port is equipped
with a valve designed to contain the release of excess ink, there is no need to supply your own covers or plugs.
❏ Removed ink supply units may have ink around the ink supply port, so be careful not to get any ink on the
surrounding area when removing the ink supply units.
❏ This printer uses ink supply units equipped with a green chip that monitors information such as the amount of
remaining ink for each ink supply unit. This means that even if the ink supply unit is removed from the printer
before it is expended, you can still use the ink supply unit after reinserting it back into the printer.
❏ To ensure you receive premium print quality and to help protect your print head, a variable ink safety reserve
remains in the ink supply unit when your printer indicates to replace the ink supply unit. The yields quoted for
you do not include this reserve.
❏ Do not disassemble or remodel the ink supply unit, otherwise you may not be able to print normally.
❏ You cannot use the ink supply units that came with the printer for the replacement.
❏ If the ink supply unit has changed shape due to being dropped and so on, fix the shape before inserting it in the
printer; otherwise, it may not be set correctly.
Consumption of ink
❏ To maintain optimum print head performance, some ink is consumed from all ink supply units during
maintenance operations such as print head cleaning. Ink may also be consumed when you turn on the printer.
❏ When printing in monochrome or grayscale, color inks instead of black ink may be used depending on the
paper type or print quality settings. This is because a mixture of color inks is used to create black.
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It is Time to Replace Ink Supply Units
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Ink Supply Unit Handling Precautions
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