Lexmark 7300 Series, Service Manual

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4418-X6X
Diagnostic information
2-1
2. Diagnostic information
Use the error code tables, POST symptom table, symptom tables, and
service checks in this chapter to determine the All-In-One failure.
Start
Power-On Self Test (POST) sequence
Press the Power button to turn on the All-In-One.
1. The Power button light comes on.
2. The paper and transport carrier motors run, and then stop.
3. The CIS moves from the home position, and then returns.
4. The CIS lamp comes on, and then goes off.
5. The Fax Auto Answer, Copy Mode, Scan Mode, Fax Mode, and Power
button lights come on.
6.
Lexmark X7300 Series
appears on the LCD.
7. The Fax Auto Answer, Copy Mode, and Power lights remain on.
8.
Copy Mode
appears on the LCD.
If the All-In-One completes POST with no errors, go to “Symptom tables”
on page 2-9 , locate the symptom, and take the appropriate action.
If the All-In-One does not complete POST, go to the “POST symptom
table” on page 2-8 , locate the symptom, and take the appropriate action.