Oki IP-6620 - 5.5.14 System Error 164 X: USB Chip Register Read;write Error

OKI Data Infotech Corporation CONFIDENTIAL
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
5-90
5.5.14 System Error 164X: USB Chip Register Read/write Error
<Description>
The CPU could not correctly read from or write to the PCB-ASSY-IPB5-100’s USB controller.
This error is detected through the process below:
(1) The printer is started;
(2) The printer writes test data on the USB chip's register; and
(3) Though the printer reads the data on the register, the read data is not same as the written
data.
X
USB controller
0
Peripheral
1
Host
<Faulty part>
PCB-ASSY-IPB5-100
<Action>
Restart the printer.
If the error persists, 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
Firmware
Upgrade the firmware to the latest version.
2
PCB-ASSY-IPB5-100
Replace the PCB-ASSY-IPB5-100.