Canon imagePROGRAF iPF650 - Unable to Detect Ink Level Correctly; Close Ink Tank Cover; Ink Tank Is Empty; Not Much Ink Is Left

Unable to detect ink level correctly.
Cause Corrective Action
The remaining ink level could not be correctly detected. Close the Ink Tank Cover.
The buzzer will stop once the error is cleared.
Close Ink Tank Cover
Cause Corrective Action
The Ink Tank Cover is open. Close the Ink Tank Cover.
The buzzer will stop once the error is cleared.
Ink tank is empty.
Cause Corrective Action
There is no ink left in an ink tank. Open the Ink Tank Cover and replace the Ink Tank for which the Ink Lamp is
flashing.
(See "Replacing Ink Tanks.") →P.720
Not much ink is left.
Cause Corrective Action
Not much ink is left. Prepare a new Ink Tank.
We recommend replacing the Ink Tank with a new Ink Tank at this point if you plan to print
large-format or high-quantity jobs.
Error Message > Messages regarding ink >
iPF650 Unable to detect ink level correctly.
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