Lexmark 4227-X00 - Manual (Page 27)

2-4 Service Manual
4227-X00
Symptom Table
1. Select the symptom that best describes the problem.
2. Perform the appropriate action before you go to the indicated
service check.
Abnormal Indications
Abnormal Print Operation Problems
Symptom Action
All LEDs turn on but
do not turn off.
The Power LED is
on, but POST will
not run.
Disconnect the interface cable from the printer and
turn the printer off and then on. If POST now runs
correctly, the problem is in the computer or
interface cable.
Go to the “POST Service Check” on page
2-24 .
Symptom Action
Printer will not print,
or become Ready.
Abnormal operation,
incorrect characters,
or incorrect line
width.
Printer is ready but
will not print from the
computer correctly.
Undefined or
incorrect characters.
Be sure the interface cable is connected properly.
Go to the “No Print or Abnormal Print Service
Check” on page 2-18 .