OKI Data Infotech Corporation CONFIDENTIAL
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
5-158
(3) Set the DIP switches 1 and 2 below the USB host port to ON.
DIP switch 1 ON: Update the system program.
DIP switch 2 ON: Update the boot program.
Note:
When both the DIP switches 1 and 2 are set to ON simultaneously, first the system program is
updated, and then the boot program is updated.
(4) Turn the printer on.
Note:
For the operation panel messages during the updating operation, see the description on the next
page.
(5) Turn the printer off after updating the firmware.
(6) Set both DIP switches 1 and 2 to OFF.
(7) Remove the USB drive, close the power box, and tighten the seven screws.
(8) Turn the printer on.
The update progress can be checked with the operation panel and the PCB-ASSY-IPB5-100 LED(s)
[BTC-LED].
Notes:
(a) During the updating operation, do not cut off the printer power.
(b) The time required to update the system program is approx. 2 minutes.
(c) The time required to update the boot program is approx. 1 minute.
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