950.Xx Nvram Failure Service Check; Autocompensator Mechanism Service Check - Lexmark X548 Series Service Manual

7525-63x

950.xx NVRAM failure service check

Warning: Replace one of the following components, and perform a POR before replacing a second component.
Never replace both of the components without performing a POR after installing each one, or the
printer will be rendered inoperable:
Operator panel assembly
•
RIP board
•
Warning: Never install and remove components listed above as a method of troubleshooting components.
Once a component has been installed in a printer, and the printer is powered on, it cannot be
used in another printer. It must be returned to the manufacturer.
This error code indicates a mismatch between the operator panel assembly and the RIP board.
Step Questions / actions
1 Have any updates been made to the
firmware?
2 Does reloading the firmware correct the
problem?

Autocompensator mechanism service check

Note: The input (S2) sensor is part of the autocompensator mechanism (ACM), and is not available separately.
Step Questions / actions
Turn the printer off, and then remove the rear
1
shield. See
"Rear shield removal" on
4-7. Check the cable at JSP1 on the RIP
page
board for proper connection.
Is the cable properly connected?
2 Did the printer function correctly after
reconnecting the cables?
Service Manual
2-32
Yes
Reload the firmware and try
again.
Go to step 2.
Problem resolved.
Yes
Go to step 3.
Problem resolved.
No
Replace the RIP board with
a new, and not previously
installed RIP board. See
"RIP board removal" on
page 4-19.
Replace the RIP board with
a new, and not previously
installed RIP board. See
"RIP board removal" on
page 4-19.
No
Properly connect the cables,
and POR the printer.
Go to step 2.
Go to step 3.
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