Lexmark OptraTM manual 4026-0XX

4026-0XX

	FRU	Action
2	Engine Board	Disconnect the solenoid/input sensor cable from
		CN3 on the engine board. Check the voltage at
		CN3-5. The voltage should measure approxi-
		mately +24 V dc. If incorrect, replace the engine
		board.
		If the voltage reads approximately +24 V dc,
		check the voltage at CN3-6 while running a test
		page. The voltage should measure 0 V dc and
		read approximately 1 V dc at the time the sole-
		noid should pick. If incorrect, replace the engine
		board.

Diagnostic Information 2-33