Lexmark 2390 003 - B/W Dot-matrix Printer Service Manual page 29

Indication
LED Status
Power ON
Ready OFF
Paper OFF
Font OFF
Pitch OFF
Alt OFF
Others OFF
If other LED
combinations
along with the
Power LED are on.
Any LED on but
the Power LED off.
If the Power LED
blinks or changes
intensity.
Any
Alarm Action
None Operator Panel Failure
Go to
on page
None Go to
2-31.
None Go to
on page
None Go to
2-32.
Beeps (Optional Serial Interface Adapter
7 installed)
times
• Turn the printer off and check the
connection from the serial interface
adapter to the printer.
• Turn the printer off and then on. If
you get the same error, replace the
serial interface adapter.
• If turning the printer off and then on
is successful, run the "Serial
Interface Adapter Print Test" on
page 3-6.
"Operator Panel Service Check"
2-24.
"POST Service Check" on page
"Operator Panel Service Check"
2-24.
"Power Service Check" on page
Diagnostic Information 2-5