Operator Panel Service Check - Lexmark X746de Service Manual

7526
Step Questions / actions
Try using a different ethernet cable.
13
Did this remedy the situation?
Have the network administrator check the
14
network drop for activity.
Is the drop functioning properly?
Is the printer on the same wireless network as
15
the other devices?
Assign the correct wireless network to the
16
printer.
Did this fix the problem?
Are the other devices on the wireless network
17
communicating properly?
Verify that the ISP wireless card cable is
18
properly seated in their connectors.
Is the wireless card seated correctly?
Properly reseat the ISP cables.
19
Did this fix the problem?
Replace the ISP wireless card. See Installing
20
an Internal Solutions Port (ISP).
Did this fix the problem?

Operator panel service check

One or more operator panel buttons fail
Step Questions / actions
Run the Button Test.
1
in Diagnostics mode.
page 3-13
Did any of the buttons fail the test?
Disconnect the operator panel assembly
2
cable from JOPP1 on the system board, and
then measure the voltage on pin 6 and
ground.
Does the voltage measure approximately
+3.3 V dc?
Operator panel display blank, five beeps, and LED is off
Service Manual
2-148
See"Button Test" on
Yes
Problem resolved.
Replace the system board.
See
"System board
removal" on page 4-157.
Go to step 17.
Problem resolved.
Go to step 18.
Go to step 20.
Problem resolved.
Problem resolved.
Yes
Replace the operator panel
assembly. See
"Operator
panel assembly removal"
on page 4-27.
Replace the operator panel
assembly. See
"Operator
panel assembly removal"
4-27. If this does
on page
not fix the problem, replace
the top cover access
assembly. See
"Top
access cover assembly
removal" on page 4-40.
No
Go to step 14.
Contact the network
administrator.
Go to step 16.
Go to step 17.
Contact the network
administrator.
Go to step 19.
Go to step 20.
Replace the system board.
See
"System board
removal" on page 4-157.
No
Go to step 2.
Replace the system board.
See
"System board
removal" on page 4-157.
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