Imaging Unit Smart Chip Contact Service Check; Toner Smart Chip Compatibility Service Check - Konica Minolta bizhub 4020 Service Manual

4.5.3

Imaging unit smart chip contact service check

Action
Step 1
1. Make sure that the imaging unit is properly installed.
2. Check if the imaging unit is supported. Replace with
a supported imaging unit if necessary.
Does the problem remain?
Step 2
Check the cable JARW2 for proper connection to the
controller board.
Is it properly connected?
Step 3
Check the imaging unit smart chip contact for damaged
pins.
Is it free of damage?
4.5.4

Toner smart chip compatibility service check

Action
Step 1
Verify if the toner cartridge is supported by this device.
Is the toner cartridge supported?
Step 2
Insert a supported toner cartridge.
Does the error remain?
Step 3
Update the firmware.
Note: Contact the next level of support for the correct
firmware level.
Does the error remain?
bizhub 4020/3320 Service Manual
Yes
Go to step 2.
Go to step 3.
Replace the controller board. See
Controller board
Yes
Go to step 3.
Go to step 3.
Contact the next level of
support.
- 112 -
No
The problem is
solved.
Reseat the
cables.
Replace the
removal. printer.
No
Go to step 2.
The problem is
solved.
The problem is
solved.