User manual

98.05.08.09.00
Color LaserWriter 12/600 PS Troubleshooting 2–26
Flowchart C
NO
NO
NO
NO
YES
YES
Are any of
the three error lights
illuminating or flashing?
Are all four
primary lights flashing?
Power is getting into the printer
but the printer isn't coming ready.
See "POST" in this chapter.
YES
Is there
a very loud grinding
sound coming from the
carousel?
See "Symptom-Driven
Troubleshooting" in this chapter.
YES
Do all 21
status panel lights come on
and stay on?
This indicates that the I/O controller
board is not installed or is failing.
Check that you have installed the
board completely into the printer, and
that it has mated solidly into the inter-
connect board. If the problem persists,
replace the I/O controller board.
See "Status Panel Lights
on page 1-12 of the Basics and
Theory chapter.
?
If you have gotten to this point
without resolution of your problem,
go to the "Symptom-Driven
Troubleshooting" section of
this chapter and see if your
specific symptom is addressed.
E