Scanner Unit Does Not Close; Poor Copy Quality - Konica Minolta Bizhub 4020 User Manual

Scanner unit does not close

Action
Check if there are no obstructions between the scanner unit and
the printer.
Lift the scanner unit.
Remove any obstruction that keeps the scanner unit open.
Lower the scanner unit.
Did the scanner unit close properly?

Poor copy quality

Action
Step 1
Check if an error or status message appears on the
display.
Does an error or status message appear?
Step 2
Check the quality of the original document.
Is the quality of the original document satisfactory?
Step 3
If dark marks appear on prints, then clean the scanner
glass and the ADF glass using a clean, lint-free cloth
dampened with water.
Is the scanner glass clean?
User's Guide
Yes
The problem is
solved.
Yes
Clear the error or
status message.
Go to step 3.
Go to step 4.
- 336 -
No
Contact technical
support.
No
Go to step 2.
Increase the scan resolution setting
for a higher-quality output.
See Cleaning the scanner glass.