Oki IP-6620 Maintenance Manual page 316

5.7.2 Updating with the USB drive
This function is provided in the boot program.
The procedure is as follows.
(1) Turn the printer off.
(2) Loosen the seven screws of the electric box and open the box. Then insert the USB
drive for updating the version into the USB host port of the PCB-ASSY-IPB5-100 board.
USB host port
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
DIP switches
OKI Data Infotech Corporation CONFIDENTIAL
LED(s) [BTC-LED]
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