Lexmark 4227-X00 Service Manual page 30

4227-X00
Operator Panel Problems
Symptom
Start/Stop does not
function but no error
is indicated.
Only the Power light
turns on.
One or more buttons
do not function.
One or more lights
do not function.
Blank display.
Cover open
displayed.
Power Problems
Symptom
When the power
switch is on, the
Power light does not
turn on or the printer
does not start.
The Power light
blinks or changes
intensity.
Action
Turn the printer off and then on.
"Operator Panel Service Check" on
Go to the
page 2-19
.
Action
Check the continuity of the power cord and the
voltage of the electrical outlet.
"Power Failure Service Check" on
Go to the
page 2-25
.
Diagnostic Information
2-7