Oki IP-6620 Maintenance Manual page 236

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