Lexmark 4069-XXX manual Printhead Service Check, Service Error Code Explanation

4069-XXX

Printhead Service Check

The printhead assembly does not contain any service replaceable parts or components. If service error code 930 displays, the wrong printhead is installed in the printer.

Note: A 201 paper jam may also indicate a failing printhead. The paper may have jammed prior to or at the input sensor. Print the error log and see if 201 or 931 errors are logged.

	Service Error Code	Explanation
1	Error Code 931	These errors usually indicate a
	No first HYSNC Signal	failure in the HYSNC signal to the
	Error Code 932	printhead. Check the continuity of
	Lost HYSNC	the cables connected to J3 and J8
		on the engine board. If incorrect,
		replace the defective cable. The
		voltage at J8-4 measures
		approximately +5 V dc. If incorrect,
		replace the engine board. The
		voltage at J3-7 measures
		approximately +24 V dc. If incorrect,
		replace the engine board. If correct,
		replace the printhead assembly.
2	Error Code 934	These error codes indicate a
	Mirror Motor Lost Lock	problem with the mirror motor circuit
	Error Code 935	in the printhead assembly or the
	Mirror Motor unable to	mirror motor cable to the engine
	reach operating speed	board cable or engine board
		assembly. Check the continuity of
		the mirror motor cable connected to
		J3 on the engine board. If incorrect,
		replace the cable. The voltage at
		J3-7 measures approximately
		+24 V dc. If incorrect, replace the
		engine board. If correct, replace the
		FRUs in the following order:
		engine board
		printhead assembly

Diagnostic Information 2-91