2-4 Service Manual
4400-001
Document scan sensor does not
detect document
Check operator panel cable
connector CN17 on the system
board. If okay, go to the “Scanner
Motor with Gear Assembly
Service Check” on page 2-10. If
the scanner motor is working
correctly, replace the operator panel
assembly. Go to the “Operator
Panel Assembly Removal” on
page 4-15.
Symptom Action
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