Diagnostic information 2-77
950.00 through 950.29 EPROM mismatch failure
Warning: When replacing any one of the following components:
• Operator panel assembly (or upper front cover)
• System board 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 printer, it can not be used in another printer. It must be
returned to the manufacturer.
This error code indicates a mismatch between the operator panel board and the interconnect card.
FRU Action
1 Interconnect card If the interconnect card been recently replaced, go to step 3. If the
card has not been replaced go to step 2.
2
operator panel board If the operator panel board has been recently replaced, go to step 4.
If the operator panel board has not been replaced, contact your next
level of support.
3
Interconnect card Replace the current interconnect card assembly with the original
interconnect card assembly. See “Interconnect card assembly
removal” on page 4-53.
If the error remains, go to step 5.
4
operator panel board Replace the current operator panel board with the original operator
panel board. See “Operator panel board removal” on page 4-66.
If the error persists, go to step 6.
5
Interconnect card Replace the original interconnect card assembly with a new and not
previously installed interconnect card assembly. If the error remains,
contact your next level of support.
6
Operator panel Replace the original operator panel board with a new and not
previously installed interconnect card assembly. If the error remains,
contact your next level of support.
