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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
•
Controller 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 controller board.
Step
Questions / actions
1
Have any updates been made to the firmware?
2
Did 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
1
Turn the printer off, and then remove the rear
shield. See
"Rear shield removal" on
page
4-7. Check the cable at JSP1 on the
controller board for proper connection.
Is the cable properly connected?
2
Did the printer function correctly after
reconnecting the cables?
Y112730-2
Yes
Reload the firmware and try
again.
Go to step 2.
Problem resolved.
Yes
Go to step 3.
Problem resolved.
No
Replace the controller board
with a new, and not
previously installed
controller board. See
"Controller board
removal" on page
4-18.
Replace the controller board
with a new, and not
previously installed
controller board. See
"Controller board
removal" on page
4-18.
No
Properly connect the cables,
and POR the printer.
Go to step 2.
Go to step 3.
Diagnostic information
2-33
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