Control Panel Button Service Check; Usb Print Service Check - Konica Minolta bizhub 4020 Service Manual

4.7.5

Control panel button service check

Action
Step 1
Are the display and LEDs on the control panel illuminated?
Step 2
Enter Diagnostics mode and navigate to:
HARDWARE TESTS >Button Test
Did the device pass the test?
Step 3
Replace the Control panel board. Go to
removal (bizhub 3320).
Did this fix the problem?
Step 4
Replace the controller board. Go to
Did this fix the problem?
4.7.6

USB print service check

Action
Step 1
Enter Diagnostic mode and perform a print test to make sure the
printer prints correctly. Verify that the indicator light is on, and
then print the menu settings page. Navigate to:
Reports >Menu Settings Page
Are the internal pages printing?
Step 2
Verify if the user's applications are set up correctly.
Are they set up correctly?
Step 3
Try a different application to run a print job.
Did the output print?
bizhub 4020/3320 Service Manual
Control panel board
Controller board removal.
- 151 -
Yes No
Go to step 2. Perform control
panel service check.
Go to
service
Go to step 4. Go to step 3.
The problem is Go to step 4.
solved.
The problem is Contact the next
solved. level of support.
Yes No
Go to step 2. Go to step 7.
Go to step 4. Go to step 3.
This is not a printer Go to step 4.
issue.
Control panel
check.