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2-78 Service Manual
950.30 through 950.60 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.
Note: Before proceeding with this service check, make sure you have the correct system board installed in the
printer. The system board has a label with an board ID and barcode. Use the first eight numbers to identify the
board with the part number in the table below:
This error code indicates a mismatch between the system board and the interconnect card.
Model Board bar code Corresponds to P/N…
4061-000 (non-network) Q0016021 40X0140
4061-010 (network) Q0016001 40X0141
4061-200 (non-network) Q0016022 40X0142
4061-210 (network) Q0016002 40X0143
4061-400 (non-network) Q0016023 40X0144
4061-410 (network) Q0016003 40X0145
FRU Action
1 Interconnect card assembly If the interconnect card assembly has been recently replaced, go to
step 3. If the interconnect card assembly has not been recently
replaced, contact the next level of support.
2
System board If the system board has been recently replaced, go to step 4. If the
system board has not been replaced, contact the next level of
support.
3
Interconnect card assembly Replace the current interconnect card assembly with the original
interconnect card assembly. “Interconnect card assembly
removal” on page 4-53.
If the error remains, go to step 5.