Oki C821 Maintenance Manual

44015503TH Rev. 1
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Oki Data CONFIDENTIAL
5. MAINTENANCE MENUS
5.6 Boot Menu List
To display Boot Menu, turn on the printer while holding down the Set ( ) button.
Memo D
isplaying Boot Menu requires entry of a password. The password defaults to
six as (aaaaaa).
Category Option Settings Function
Enter
Password
************ Enters a password to display Boot Menu. The
password is six to twelve digits or lower-case
alphanumeric characters and defaults to six as
(aaaaaa).
Parallel
Setup
Parallel
Enable
Disable
Sets whether to enable or disable the parallel
interface.
Bi-Direction
Enable
Disable
Sets whether to make the parallel interface bi-
directional or not.
ECP
Enable
Disable
Sets whether to enable or disable the ECP mode.
Ack Width
Narrow
Medium
Wide
Sets the compatible-reception ACK width.
NARROW: 0.5 µs
MEDIUM: 1.0 µs
WIDE: 3.0 µs
Ack/Busy
Timing
Ack in Busy
Ack while Busy
Sets the order of outputting compatible-reception
BUSY and ACK signals.
I-Prime
3 microseconds
50 microseconds
Disable
Sets an I-PRIME signal valid time period or
disable I-Prime signals.
Offline
Receive
Enable
Disable
Sets whether to enable or disable the functionality
that maintain a state ready for reception without
changing interface signals even when an alarm is
issued.
Category Option Settings Function
USB
Setup
USB Enable
Disable
Sets whether to enable or disable the USB
interface.
Speed
480Mbps
12Mbps
Sets the maximum USB interface transmission
speed.
Soft Reset
Enable
Disable
Sets whether to enable the Soft Reset command.
Offline
Receive
Enable
Disable
Sets whether to enable or disable the functionality
that maintain a state ready for reception without
changing interface signals even when an alarm is
issued.
Serial
Number
Enable
Disable
Sets whether to enable or disable the USB serial
number.
Security
Setup
Job
Limitation
Off
Encrypted Job
Restricts jobs to accept, i.e. sets whether to
accept only encrypted authentication jobs. This
option is displayed when an optional internal hard
disk is installed.
Reset Cipher
Key
Execute Reproduces an encrypted key used for a security
hard disk. When an optional internal hard disk is
installed and the security hard disk functionality is
enabled, this option is displayed.
Storage
Setup
Check File
System
Execute Resolves a mismatch between the actual
(available) and displayed available space of the
file system and restores management data (FAT
information).
Check All
Sectors
Execute Restores improper HDD sector information and
corrects a mismatch between the actual and
displayed available space of the file system.
Enable HDD
No
Yes
When set to NO, deeming the printer with no
HDDs irrespective of whether an HDD is installed
on it, starts the printer when the printer cannot be
started due to HDD damage.
Erase HDD Execute Erases all data stored on an HDD so as that it
cannot be restored. This option is displayed when
an optional internal hard disk is installed.
Enable
Initialization
No
Yes
Disables changes made about the internal hard
disk and flash memory, involving initialization.

Oki C821 Specifications

General

Brand	Oki
Model	C821
Category	All in One Printer
Language	English