Tfx Errorcode: [00821] A data overflow has been detected


Service Information	A hotlink overflow has been detected. Either the exposure head has attempted to read data from the input buffer before the input buffer is ready or the hotlink attempted to write data to the input buffer when the input buffer was full. If this error occurs while plotting, plot quality may have been compromised.
	Note that this error code is also returned to the host as an unsolicited warning fault.
Operator Action	Call service.
Causes	The exposure head attempted to read data from the input buffer before the input buffer was ready. The hotlink attempted to write data to the input buffer when the input buffer was full. The hotlink and stroke clock are out of sequence.