Adf Service Check - Konica Minolta bizhub 4020 Service Manual

4.8.4

ADF service check

Action
Step 1
Check all cables connecting the ADF and flatbed to the controller
board.
Are they properly connected?
Step 2
Re-connect the cables to the controller board.
Did this fix the problem?
Step 3
1. Enter diagnostics mode and navigate to:
SCANNER TESTS >Sensor Test
Perform the scanner sensor tests.
2. Navigate to:
SCANNER TESTS >Motor Tests
Perform the scanner sensor and motor tests.
Did any test fail?
Step 4
Did the Flatbed Home Sensor test or Flatbed motor test fail?
Step 5
Replace the flatbed. See Flatbed assembly
Did this solve the problem?
Step 6
Did the ADF pick motor or feed motor tests fail?
Step 7
Replace the ADF. See ADF unit
Did this fix the problem?
Step 8
Replace the controller board. See
Did this fix the problem?
bizhub 4020/3320 Service Manual
removal.
removal.
Controller board removal.
- 161 -
Yes No
Go to step 3. Go to step 2.
The problem is Go to step 3.
solved.
Go to step 4. Go to step 8.
Go step 5. Go to step 6.
The problem is Go to step 6.
solved.
Go to step 7. Go to step 8.
The problem is Go to step 8.
solved.
The problem is Contact the next
solved. level of support.