45584901TH Rev.1 8-26 /Oki Data CONFIDENTIAL8.5.1 FAX unit firmware (GD-1340)Important:• Before updating the FAX firmware, make sure to print out the current Function list formaintenance, Function list (ADMIN), Address book list and Group number information.In case the updating is failed and the registered information of the users is lost for somereason, re-register the user information referring to the lists and recover it.• Confirm the following items before turning OFF the power of the equipment. Turning OFF thepower may clear the data below.- Confirm that the “DATA IN MEMORY” LED is OFF and there are no memory receptiondata.- Press the [JOB STATUS] button to display the screen and then confirm that there are nomemory transmission data.- Print the “Mailbox/Relay box report” and then confirm that there are no F code data.[a] Update Procedure(1) Install the ROM to the download jig (K-PWA-DLM-320).Make sure the direction is correct.(2) Press the [POWER] button to shut down the equipment.(3) Take off the right side cover. P. 6-1 “6.1.1 Right side cover”(4) Connect the download jig [1] with the jig connector [2] on the FAX board.Fig.8-18(5) Press the [POWER] button while simultaneously holding down the [0] and [8] buttons.Updating starts automatically and the LED on the download jig lights.(6) After the update is completed properly, the LED on the download jig blinks.The LED starts blinking approx. 30 sec. after the update starts. It is assumed that theupdate has failed if it does not start blinking even though 1 min. has passed. In thiscase, shut down the equipment and check the following items. Then clear the problemsand restart updating from the beginning.• Is the download jig connected properly?• Is the ROM installed to the download jig properly?• Is the updating data written on the ROM of the download jig properly?• Do the download jig and the equipment operate properly?