Canon IB4000 series Online Manual page 425

1600
Cause
Ink may have run out.
Action
Replacing the ink tank is recommended.
If printing is in progress and you want to continue printing, press the machine's OK button with the ink
tank installed. Then printing can continue. Replacing the ink tank is recommended after the printing. The
machine may be damaged if printing is continued under the ink out condition.
Important
• Do not remove an ink tank until a new one is prepared to be installed.
• Once you remove an ink tank, the machine will not operate until a new one is installed.
• Once you remove an ink tank, the machine will not operate even if the removed ink tank is just
reinstalled.
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