Oki MC770 Maintenance Manual

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

Oki MC770 Specifications

General

Brand	Oki
Model	MC770
Category	All in One Printer
Language	English