Scanning Takes Too Long Or Freezes The Computer; Poor Scanned Image Quality - Konica Minolta Bizhub 4020 User Manual

Scanning takes too long or freezes the computer

Action
Step 1
Check if other applications are interfering with the scan.
Close all applications that are not being used.
Does scanning still take too long or freeze the computer?
Step 2
Select a lower scan resolution.
Does scanning still take too long or freeze the computer?

Poor scanned image quality

Action
Step 1
Check if an error message appears on the display.
Is there an error message on the printer display?
Step 2
Check the quality of the original document.
Is the quality of the original document satisfactory?
Step 3
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
Go to step 2.
Contact technical
Yes
Clear the error
message.
Go to step 3.
Go to step 4.
- 352 -
No
The problem is solved.
support. The problem is solved.
No
Go to step 2.
Increase the scan resolution settings for
a higher-quality output.
See Cleaning the scanner glass.