Problem Cause Solution
The product is on, but the
control-panel lights indicate
that the product is not in the
"ready" state.
The product is not "ready."
The product has an internal
error that was detected during
the Power-On Self-Test
sequence.
Consult the list of control-
panel light patterns to identify
and correct the error.
The product turns on, the
motor rotates, and the control
panel indicates the "ready"
state, but the product does not
print.
The product does not print.
A component is defective. Perform an engine test to
verify print-engine
components.
1. Print an engine test
page. See
Engine-test
button on page 107.
2. If the engine test page
does not print, check all
the connectors on the
engine controller PCA,
and reconnect any
cables that are
connected incorrectly.
3. If, after checking the
connectors, the error
persists, replace the
engine controller PCA.
See
Engine controller
PCA on page 94.
The formatter is defective. Print a demo page. Select
Demo Page from the Print
Information Pages drop-
down on the Services tab in
the printer driver.
If the Demo page does not
print, replace the formatter.
See
Formatter PCA
on page 68.
Table 2-1 Basic problem solving (continued)
ENWW Solve problems checklist 103
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