No Display Service Check; No Network Service Check - Lexmark Pro5500t Service Manual

No display service check

Step
1 Check if the printer motors initialize during POST. Check if
the system board and power supply LEDs light up.
Do the printer motors initialize during POST?
2
Check the J14 connector on the system card. Reseat the
J14 cable. Check for any damage on the J14 cable.
Is the J14 cable free from damage?
3 Replace the card reader board. See
removal" on page
Does the problem remain?
4 Replace the control panel assembly. See
assembly removal" on page
Does the problem remain?

No network service check

Step
1 Check the network port on the system board for any
damage. Make sure that the LAN cables are
working properly.
Is the network port free from damage?
2 Check the J37 USB cable on the system board for
proper connection.
Is the J37 USB cable properly connected?
3 Check the wireless card for any damage and for
proper connection.
Is the wireless card free from damage?
4 Replace the system board. See
removal" on page
Does the problem remain?
5 Replace the wireless card. See
removal" on page
Does the problem remain?
Check
"Card reader
4-40.
"Control panel
4-35.
Check
"System board
4-32.
"Wireless card
4-38.
Marketing Name
Yes
Go to step 2. Go to
power service
check" on
page
Go to step 3. Go to step 5.
Go to step 4. Problem
resolved
Replace the Problem
system board. resolved
See "System
board
removal" on
page 4-32.
Yes
Go to step 2. Go to step 4.
Go to step 3. Reseat the J37 USB
cable.
Go to step 4. Go to step 5.
Go to step 5. Problem resolved
Go to step 5. Replace the printer.
Diagnostic information
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