Flow Chart For Correcting Usb Update Failure - Oki MC770 Maintenance Manual

8.7.2

Flow chart for correcting USB update failure

[a] When the update of the system firmware failed
USB update failed
Failed twice or more?
Update download jig.
" 11.3.2 System firmware "
Update succeeded?
Check system firmware version.
" 11.5 Confirmation of
the updated data "
Is system firmware version
Update completed
45584901TH Rev.1
NO
YES
NO
YES
(08-9930)
NO
correct?
YES
Update USB.
" 11.1 Firmware Updating with
USB device "
Failed twice or more?
YES
Replace CU board.
Update USB.
" 11.1 Firmware Updating with
USB device "
Oki Data CONFIDENTIAL
NO
8-30 /