Canon imagePROGRAF TA-20 MFP 24" Large Format Printer with L24ei Scanner and Stand Kit - Manual (Page 819)

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Cause
The ink in the ink tank has run out.
What to Do
Open the ink tank cover, and then replace the ink tank before the ink in the sub-ink tank of this printer
becomes insufficient.
Replacing Ink Tanks
Note
• You can replace the ink tank even while printing.
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