Error Message:

HEAD: unable to find exposure power, set to 0 W

Applies to:

• Thermal

Service Information:

During stroke cal in laser modes 1 and 2, the head will attempt to update the hdm NVS parameter "wpowere". However, the update will be unsuccessful if the head NVS parameters "hsslope" and "hsoffset" are not set properly. In addition, the update could timeout without finding the appropriate "wpowere" value.

This error code applies to Thermal Head firmware version 1.56 and above.

Operator Action:

Try imaging again. If problem persists, call service.

Cause:

• Unsuccessful "wpowere" update during stroke cal in laser modes 1 or 2.

See Also:

• NVS: hdm wpowere
• NVS: head hsslope
• NVS: head hsoffset