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Diagnostics (E220/E321/E323)
Note: For diagnostic information about models E320/E323 see
"Diagnostics (E320/E322) " on page 2-1
information.
CAUTION: Unplug power from the printer before connecting
or disconnecting any cable, assembly, or electronic card. This
is a precaution for personal safety and to prevent damage to
the printer.
The lights on the operator panel indicate the status of the printer
anytime it is powered on. When the printer experiences a problem
requiring operator intervention, it indicates the source by blinking
one or more lights. See
page 2-38
for more information. When all six lights blink
simultaneously, a service may need to be performed. See
error codes " on page 2-45
If the printer does not indicate a service error code nor complete
POST without an error but there is a symptom, see
tables " on page 2-60
"Status information light patterns " on
for more information.
for more information.
4500–E220/E321/E323
for more
"Symptom
Diagnostic information
"Service
2-35
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