Konica Minolta Bizhub 4020 User Manual page 351

Action
Step 5
From the Flash Drive menu, reduce
the scan resolution settings, and
then resend the scan job.
Does the job scan?
Step 6
Check the scan settings.
From the Scan screen, make
sure the Content Type and
Content Source settings are
correct for the document being
scanned.
Are the Content Type and Content
Source settings correct for the
document being scanned?
Scanner unit does not close
Action
Check if there are obstructions in the scanner unit.
Lift the scanner unit.
Remove any obstruction keeping the scanner unit open.
Lower the scanner unit.
Did the scanner unit close correctly?
User's Guide
Yes
The problem is solved.
The problem is solved.
Yes
The problem is solved.
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No
Go to step 6.
Change the Content Type and
Content Source settings to match the
document being scanned.
No
Contact technical support.