2-36 Service Manual
7002-xxx
954 .00 Replace the interface card. See
“Interface card assembly
removal” on page 4-107.
Warning: When replacing any one
of the following components:
• Flatbed interconnect card
• System board assembly
• Interface 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
cannot be used in another printer. It
must be returned to the
manufacturer.
955 .00 Code CRC CRC failure or ECC code failure on
the system board.
Replace the system board. See
“System board and inner shield
removal —models X644e/X646e”
on page 4-131.
956 .00 System board This error indicates a system board
processor failure.
Replace the system board. See
“System board and inner shield
removal —models X644e/X646e”
on page 4-131.
957 .00 System board This error indicates a system board
processor failure.
Replace the system board. See
“System board and inner shield
removal —models X644e/X646e”
on page 4-131.
958 .00 Nand failure Printer has performed more than
100 “shift and replace” operations as
a result of EC bit corrections.
Replace the system board. See
“System board and inner shield
removal —models X644e/X646e”
on page 4-131.
Service error codes (9xx.xx) (continued)
Error
code
Sub
codes
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