Through 950.29 Eprom Mismatch Failure - Lexmark W840 Service Manual

4024-XXX

950.00 through 950.29 EPROM mismatch failure

Warning: When replacing any of the following components:
• Operator panel assembly
• RIP card assembly
• Interconnect card assembly
Only replace one component at a time. Replace the required component and perform a POR before replacing
a second component listed above. If this procedure is not followed, the printer will be rendered inoperable.
Never replace two or more of the components listed above without a POR after installing each one or the
printer will be rendered inoperable.
Warning: Never install and remove components listed above as a method of troubleshooting components.
Once a component has been installed in a machine, it can not be used in another machine. It must be
returned to the manufacturer.
Step
1 Check the interconnect card assembly.
Was the interconnect card assembly recently replaced?
2 Check the operator panel assembly.
Was the operator panel recently replaced?
3 Replace the current interconnect card assembly with the
original interconnect card assembly.
Does the error remain?
4 Replace the current operator panel with the original panel.
Go to "Operator panel assembly removal" on page
Does the error remain?
5 If problem remains, replace the original interconnect card
assembly with a new and not previously installed
interconnect card assembly.
Does the error remain?
6 If problem remains, replace the original panel assembly with
a new and not previously installed interconnect card
assembly.
Go to "Interconnect card assembly removal" on
page 4-128.
Does the error remain?
2-58
Printer Service Manual
Check Yes
Go to step 3.
Go to step 4.
Go to step 5
Go to step 6.
4-6.
Contact the next
level of support.
Contact the next
level of support.
No
Go to step 2.
Contact next level
of support.
Problem solved.
Problem solved.
Problem solved.
Problem solved.