Symptom Tables - Lexmark 4090-001 Service Manual

4090-001

Symptom Tables

Locate the symptom in the following tables and take the appropriate
action.
Carrier Transport Problems
Symptom
• No carrier movement
• Slow carrier movement
• Carrier stops
• Carrier slams side frame
Communications Problems
Symptom
Printer not communicating with
host computer.
Maintenance Station Problems
Symptom
• Fails to cap the printhead
• Fails to clean the printhead
Op Panel
Symptom
Paper feed button does not
operate
Busy light does not come on
Action
Go to the 'Transport Service Check'
on page 2-14.
Action
Go to the 'Parallel Port Service
Check' on page 2-11.
Action
Go to the 'Maintenance Station
Service Check' on page
Action
Replace the system board.
Replace the system board.
Diagnostic Information 2-4
2-7.