Diagnostic Information 2-5
4412-00X
Printer Communication Problem
Scanner Problems
Symptom Action
Not able to print Self Test Page Check the USB cable and system
board cable connections. If okay,
replace system board. Go to the
“System Board Removal” on
page 4-19.
Symptom Action
Light does not turn on Go to the “CIS 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 2-18.
• Scanner motor does not run
• Document sensor does not
work
Go to the “Scanner Motor with
Gear Assembly Service Check”
on page 2-10.
Go to the “Operator Panel
Problems” on page 2-3.
• CIS white roller assembly slips
• Paper does not feed correctly
Go to the “Paper Path Service
Check” on page 2-14.
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