Oki IP-6620 - Page 255

OKI Data Infotech Corporation CONFIDENTIAL
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
5-96
<Action>
Check the Items to be Checked on the table below, and perform the actions starting from the top
until the problem is solved.
Case 1
The problem below occurred:
X=0 (PCB-ASSY-ACT3 P12V)
X=3 (PCB-ASSY-ACT3 P24VSF)
X=5 (PCB-ASSY-ACT3 P38V)
X=7 (PCB-ASSY-ACT3 P38VAF)
Note:
The power supply system related to this error number is generated from the PSU 38V, and the
power does not pass through the interlock relay. So check the Items to be Checked on the
table below, and perform the actions starting from the top until the problem is solved.
No
Items to be Checked
Action
1
Power supply unit (38V) harness
(1) Reconnect the CABLE(PSU-ACT-IF)-ASSY(MW) to
the ACT3 and the power supply.
(2) Reconnect the CABLE(PSU-ACT)-ASSY(MW) to the
ACT3 and the power supply.
2
Cable between the ACT3 and
IPB5
Reconnect the CABLE(ACT-IPB-IF)-ASSY(MW) to the
ACT3 and the IPB5.
3
PCB-ASSY-ACT3
Replace the PCB-ASSY-ACT3.
4
PCB-ASSY-IPB5-100
Replace the PCB-ASSY-IPB5-100.
5
Power supply unit (38V)
Replace the power supply unit (38V).