Canon imagePROGRAF iPF610 - Manual (Page 637)

Ink Tanks
When to Replace Ink Tanks
Replace or prepare to replace Ink Tank in the following situations.
If a message for checking the ink is shown on the Display Screen
When there is little ink left, the Message lamp is lit and Ink Level: Check is shown on the Display Screen.
You can continue to print, but prepare to replace the Ink Tank. (→P.622)
Before print jobs and maintenance that consume a lot of ink
If little ink is left, there may not be enough for large-format printing, head cleaning, and maintenance, which
require a lot of ink. In this case, replace or prepare to replace the Ink Tank before maintenance.
If a message for ink replacement is shown on the Display Screen
When ink runs out, the Message lamp ashes, a message regarding Ink Tank replacement is shown on the
Display Screen, and printing is disabled. Replace the Ink Tank at this point.
Maintenance 623