Oki IP-6620 Maintenance Manual page 257

Case 4
The problem below occurred:
X=9 (PCB-ASSY-IPB5-100 P38VCRG)
Note:
The power supply system related to this error number is generated from the PSU 38V, and the
power is supplied to the PCB-ASSY-IPB5-100 after passing 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
1
2
3
4
5
Case 5
The problem below occurred:
X＝1 (PCB-ASSY-ACT3 P24V)
Note:
The power supply system related to this error number is generated from the PSU 24V, 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
1
2
3
4
5
5-98
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
Items to be Checked
Check that the printer detects
the interlock switch position
(ON/OFF)
Cable between the ACT3 and
IPB5
PCB-ASSY-ACT3
PCB-ASSY-IPB5-100
Power supply unit (38V)
Items to be Checked
Power supply unit (24V)
harness
Cable between the ACT3 and
IPB5
PCB-ASSY-ACT3
PCB-ASSY-IPB5-100
Power supply unit (24V)
OKI Data Infotech Corporation CONFIDENTIAL
Open and close the front cover, and check that the printer
detects the interlock switch position.
If the Printer does not react to the interlock switch position,
check that the PCB-ASSY-ACT3's connector CN2 is
connected.
If the error persists, check the interlock switch's connector is
connected.
If the error still persists, replace the interlock switch.
Reconnect the CABLE(ACT-IPB-IF)-ASSY(MW) to the
ACT3 and the IPB5.
Replace the PCB-ASSY-ACT3.
Replace the PCB-ASSY-IPB5-100.
Replace the power supply unit (38V).
(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.
Reconnect the CABLE(ACT-IPB-IF)-ASSY(MW) to the
ACT3 and the IPB5.
Replace the PCB-ASSY-ACT3.
Replace the PCB-ASSY-IPB5-100.
Replace the power supply unit (24V).
Action
Action