Post service check – Lexmark 4227-X00 User Manual
Page 47
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2-24
Service Manual
4227-X00
POST Service Check
FRU
Action
1
Power
Disconnect the parallel or serial cable and turn
power on.
If there is no printer activity, go to the
Failure Service Check” on page 2-25
2
Operator Panel
If the power supply fan turns on but no LEDs
light, go to the
3
Main Logic Board
If the Power LED turns on but POST does not
complete, replace the main logic board.
Readjust the
and check the
“Printhead-to-Platen Gap Adjustment” on
page 4-2
4
Printer Cable
If POST completes, reconnect the parallel or
serial cable and turn power on again.
If POST now fails, there is a problem with the
cable, or the parallel connector on the main
logic board.
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