2-4 Service Manual
4402-001
Printer Communication Table
Scanner Problems
Symptom Action
• Not able to print Test Page Check the USB cable and system
board cable connections. If okay,
replace system board. Go to the
“System Board Removal” on
page 4-12.
Symptom Action
• CCD does not move
• Lamp does not light
Go to the “CCD Module Assembly
Service Check” on page 2-8.
Go to the “Gear Train Assembly
Service Check” on page 2-9.
• Scanned images are faded, or
colors are dull, blurry or fuzzy.
Images are slanted or crooked
and the straight lines in the
image appear to be jagged or
uneven.
• Blank copies.
Go to the “Scan/Copy Quality
Service Check” on page 2-17.
