HP Enterprise CC490A manual DC controller Nvrm is not

Event log message	Description	Comments
54.1E.XX	Halftone calibration error
	● XX = 00 Bad internal data
	● XX = 01 Bad external data
	● XX = 02 Memory allocation
	● XX = 03 No default tables
	● XX = 04 Bad parameters
	● XX = 05 Cyan data is out of range.
	● XX = 06 Magenta data is out of
	range.
	● XX = 07 Yellow data is out of range.
	● XX = 08 Black data is out of range.
	● XX = 09 Cyan data is noisy.
	● XX = 0A Magenta data is noisy.
	● XX = 0B Yellow data is noisy.
	● XX = 0C Black data is noisy.
54.20	Media sensor is not calibrated
54.21	Scanner beam adjustment warning
	● XX = 01 First scanner
	● XX = 02 Second scanner
54.35	Drum speed adjustment abnormality
	warning
55.06.01	The DC controller NVRM has an	1. Turn the product off then on.
	abnormal read/write.

2. If the error persists, replace the DC Controller. See DC controller PCA and tray on page 161.

55.06.02	The DC controller NVRM is not
	accessible.

1.Turn the product off then on.

2.If the error persists, replace the DC Controller. See DC controller PCA and tray on page 161.

55.901C	DCC restored	DCC NVRAM was restored from the
		formatter.
61.00.01	Color table error	This event occurs when the color table
		cannot read a table from the disk and the
		component reverts to the version in
		RAM. The file could be corrupt, missing,
		or the disk could have failed. No
		messages display on the control panel.
67.XX.00		A system variable (XX) is out of range.
68 8X04	The permanent storage date does not
	match the engine.

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