~JO — Head Test Non-Fatal

Sensors, Calibration & MechanicsUnsupported

Plain English

Runs a printhead element test but treats failures as warnings — printing continues even if bad dots are detected. Less strict than ~JN.

When to use

For routine monitoring where some dot failures are tolerable (shipping labels, general use).

Syntax

~JO

Example

~JO

Run non-fatal head test (warns but continues)

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