2-4 Service Manual
4403-XXX
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.
• The operator panel displays
“Unlock Scanner”
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 strait lines in the image
appear to be jagged or uneven.
• Blank copies
Go to the “Scan/Copy Quality
Service Check” on page 2-17.
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