Lexmark 4059-XXX manual Dead Machine Service Check

4059-XXX

Dead Machine Service Check

Note: Remove any paper handling options before servicing the printer for a dead machine condition. Observe all necessary ESD precautions when removing and handling the controller board, engine board or any of the installed option cards or assemblies.

Service Tip: When removing the LVPS from the printer observe the following:

1.The LVPS uses a self docking connector that mates with another connector mounted on the left side frame assembly. Some force may be required to pull the LVPS loose from the connector.

2.Gently remove the LVPS supply using caution not to damage the printed circuit board. Pull the LVPS out far enough to reach the fuser lamp cable.

3.The fuser lamp cable uses a locking type of connector system. Unlock the fuser lamp cable connector, disconnect the cable and remove the LVPS from the printer.

	FRU	Action
1	Line Voltage	Check the AC line voltage. If the line
		voltage is incorrect, inform the
		customer.
2	AC Line Cord	Check the line cord for any signs of
		damage. If correct, check the
		continuity of the line cord and
		replace if necessary.
3	+5 V dc at any Option	Check for +5 V dc on any of the
	Connector	option connectors. The easiest to
		access is the envelope feeder
		connector located behind the lower
		front door. If +5 V dc is present at
		any of the connectors, go to step 9. If
		+5 V dc is not present, go to step 4.
4	+5 V dc at the controller	Check for +5 V dc at the +5 V dc test
	board test point	pad located on the controller board.
		If correct, go to step 9.

Diagnostic Information 2-32