Performing a service test on a failed assembly
If possible, always perform a Service Test on the component/assembly that you are about to replace, just to
make sure that is the component/assembly that has failed.
NOTE: If the test on that component/assembly passes, you should NOT replace it
For information on the Service Tests and how to use them see Service Tests, Utilities, and Calibrations
on page 142.
Performing the necessary service calibrations
Is the printer calibrated correctly after replacing a component? For information on the Service Calibrations
and how to use them refer to
Service Tests, Utilities, and Calibrations on page 142
NOTE: Remember that certain Calibrations are required even if an Assembly has been disassembled to gain
access to another Assembly or Component.
The printer does not power on
To resolve printer power-up problems, try the following:
1. Check that the Power Switch on the BACK of the printer is in the ON position.
2. Check to see if any of the LEDs on the Power Switch are On. If any of the LEDs are On, then see “
How to
read the power switch LEDs on page 46” for more information. If none of the LEDs are on, check that
the plug is well connected.
3. Check if the Circuit Breaker (Ground fault Interrupter) of the customer electrical installation has not
blown.
4. Check the status of the Formatter PCA’s troubleshooting LEDs. See “How to read the Formatter LEDs”
(
How to read the Formatter LEDs on page 46 ) for more information.
ENWW Performing a service test on a failed assembly 45
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