Toner Cartridge Smart Chip Contact Service Check - Konica Minolta bizhub 4020 Service Manual

Error Description
code
42 Printer/cartridge mismatch
52 Flash full
54 Network error
80 Maintenance kit
84 Imaging unit low
88 Toner cartridge low
4.5.2

Toner cartridge smart chip contact service check

Action
Step 1
1. Make sure that the toner cartridge is
properly installed.
2. Check if the toner cartridge is
supported. Replace with a supported
toner cartridge if necessary.
Does the problem remain?
Step 2
Check the cable JARW1 for proper
connection to the controller board.
Is it properly connected?
Step 3
Check the toner cartridge smart chip
contact for damaged pins.
Is it free of damage?
bizhub 4020/3320 Service Manual
Action
Go to
Go to
Go to
Go to
Go to
Go to
Yes
Go to step 2.
Go to step 3.
Replace the controller
board. See Controller
board removal.
- 111 -
Printer/cartridge mismatch service
Flash full service check.
Network service check.
Maintenance kit service check.
Imaging unit low service check.
Toner cartridge low service
No
The problem is solved.
Reseat the cable.
Replace the toner cartridge smart chip
contact. See Toner cartridge smart
chip contact removal.
check.
check.