Ccd Service Check; Flatbed Motor Service Check; Flatbed Home Position Service Check - Konica Minolta bizhub 4020 Service Manual

4.8.8

CCD service check

Actions
Step 1
Restart the device, and then retry the scan / copy job. Repeat this
step with a few copy jobs.
Does the error return?
Step 2
Is the CCD ribbon cable properly connected to JCIS1 on the
controller board?
Step 3
Replace the flatbed unit. See
Did this resolve the issue?
4.8.9

Flatbed motor service check

Actions
Step 1
Ensure that the flatbed motor cable (JFB1) is connected.
Is the cable connected?
Step 2
Replace the flatbed unit. See
Is voltage present?
Step 3
Replace the controller board. See
Did this solve the problem?

4.8.10 Flatbed home position service check

Actions
Step 1
POR the MFP.
Does the CCD move and return to the home position?
bizhub 4020/3320 Service Manual
Flatbed assembly removal.
Flatbed assembly removal.
Controller board removal.
- 164 -
Yes No
Go to step 2. No issue.
Go to step 3. Properly connect
cable to JCIS1.
The problem is Replace the
solved. controller board. See
Controller board
removal.
Yes No
Go to step 2. Properly connect the
cable.
The problem is Go to step 3.
solved.
The problem is Contact the next
solved. level of support.
Yes No
The problem is Go to step 2.
solved.