Diagnostic Information 2-3
4400-001
Symptom Tables
Locate the symptom in the following tables and take the appropriate
action.
Carrier Transport Problems
Maintenance Station Problems
Operator Panel Problems
Symptom Action
• No carrier movement
• Slow carrier movement
• Carrier stops
• Carrier slams side frame
Go to the “Carrier Transport
Service Check” on page 2-7.
Symptom Action
Maintenance station:
• Fails to cap the printheads
• Fails to clean the printheads
Go to the “Maintenance Station
Service Check” on page 2-11.
Symptom Action
• Buttons do not work
• LCD does not display
Check operator panel cable
connection at CN17 on the system
board. Then run the “Power-On Self
Test (POST) Sequence” on
page 2-1. If the LCD or buttons fail,
check connection CN17. If the
problem remains, replace the
operator panel assembly. Go to the
“Operator Panel Assembly
Removal” on page 4-15.
If the problem still exists, replace the
system board. Go to the “System
Board Removal” on page 4-21.
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