Canon BJC-620 - Manual (Page 58)

To avoid spilling ink, follow these precautions:
z Do not attempt to disassemble or refill an ink tank.
z Do not vigorously shake an ink tank while handling it.
z Do not stick anything into the opening on the ink tank.
z Do not unpack an ink tank until you are ready to install it.
Canon's limited warranty does not cover damage that is attributable to
the use of third party parts or supplies, including inks. The limited
warranty remains in effect for its life once that particular damage has
been properly repaired.
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Canon makes numerous ink tanks; the BJI-201 ink tanks are designed
specifically for the BJC-620 Color Bubble Jet Printer and are the only
ones Canon recommends that you use.
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z Press and hold the ON LINE button until the printer beeps.
z This caps the print head unit.
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