Error Message:

HEAD: focus error detected at <distance> inches while imaging, check plate for artifacts

Applies to:

• Thermal

Service Information:

This error indicates that the focus servo detected an error while imaging.

Operator Action:

The imaged plate may or not be considered reject. Inspect the plate closely for any image artifacts. Dents in the plate will cause this error to occur. Check for image artifacts around any dents in the plate.

The position of the first focus error is reported in this error. The distance is measured from the edge detect side of the plate.

Call service if this problem persists.

Cause:

• This error can be caused by large dents in the plate or an improperly loaded plate.
• If the focus system is not setup correctly (ie. head not installed properly), false focus errors may be reported.

See Also:

• NVS: head ferrdur
• NVS: head fthresh