Canon BJ-10sx User Manual page 62

Do not attempt to disassemble the cartridge.
Do not vigorously shake the cartridge while handling it.
Remove the ink cartridge from the printer only when
necessary.
CAUTION: Keep the ink cartridge out of the reach of children;
the ink contains isopropyl alcohol 67-63-0.
To install a new ink cartridge, follow these steps:
1. Make sure the printer is turned off.
2. Open the top cover and then open the inner cover.
3. Lift the green lock lever on the cartridge holder. Slide the
old ink cartridge out of the holder and dispose of it
properly.