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7462
Step
3
Check the white strip on the bottom of the large platen
glass.
Is the white strip contaminated?
4
Perform a print test using the scanner CCD assembly.
Does the error continue?
5
Perform a print test using the flatbed scanner assembly.
Does the error continue?
2-176
Service Manual
Check
Yes
No
Clean the white
Go to step 4.
strip and POR
the machine.
Replace the
Problem solved.
scanner CCD
assembly.
Go to
"Scanner
CCD assembly
removal" on
page
4-91.
Problem solved.
Replace the
scanner
controller card
assembly.
Go to
"Scanner
controller card
assembly
removal
(For the MB780
only)" on
page
4-132.
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