Operator Panel Problems; Power Problems - Lexmark 4227 - Forms Printer B/W Dot-matrix Service Manual

4227-300

Operator panel problems

Symptom
Start/Stop does not
function but no error
is indicated.
Only the Power light
comes 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
come on or the
printer does not
start.
The Power light
blinks or changes
intensity.
2-8
Service Manual
Action
Turn the printer off and then back on.
"Operator panel service check" on
Go to the
page 2-20
.
Action
Check the continuity of the power cord
and the voltage of the electrical outlet.
Go to the
check" on page 2-25
"Power failure service
.