Oki IP-6620 - Page 236

OKI Data Infotech Corporation CONFIDENTIAL
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
5-77
Error
No.
Cause
User Solution
Service Engineer Inspection
(For inspection criteria, see
Reference to Check/Replace
Parts.)
Assumed Replacement
Part
Reference to
Check/Replace
Parts
4000
Firmware Internal Error
(Mechanical group)
Restart the printer.
- Install the last firmware version.
- Check that the home position
sensor is correctly installed and
clean.
- Check that the home position
sensor connector is connected
correctly.
- Check that the CARRIAGE
FFC,MW connectors are
connected correctly to both the
HCB1M and the IPB5.
- Check that the ROBOT
CABLE,MW connectors are
connected correctly.
- Firmware version
- Home position sensor
- Robot cable
- FFC
- PCB-ASSY-HCB1M
- PCB-ASSY-IPB5-100
- PCB-ASSY-IPB5-100
 5.5.60
5000
Firmware Internal Error (UI
group)
Restart the printer.
Install the last firmware version.
Firmware version
 5.5.60