Post Error Service Check - Lexmark X734de Service Manual

7526
920.21—POST error service check
Step Questions / actions
Check the input voltage switch on the back of
1
the low-voltage power supply (LVPS). Some
power supplies do not have the switch, and
automatically switch.
Note: Some LVPS FRUs do not have a
switch, and are switch automatically. If your
FRU does not have this switch, go to step 2.
Is the voltage level (115/230) properly set?
Turn the printer off, and then remove the rear
2
frame cover. See
removal" on page
Reseat the cable in connector JLVPS2.
Does the error clear?
Check the cable JLVPS2 for pinch points and
3
any other damage to the cable or connector.
Is the cable damaged?
Service Manual
2-124
"Rear frame cover
4-40.
Yes
Go to step 2.
Problem resolved.
Replace the low-voltage
power supply. See
"Low-
voltage power supply
(LVPS) removal" on
page 4-124.
No
Set the switch for the
proper country voltage.
Go to step 3.
Go to step 4.
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