Firmware

Firmware Suite


The Firmware Suite is available for download.

Applicable models

C813; C823; C833; C843; ES8433; ES8443

* The firmware update tool is also required for update after the firmware is downloaded.

Download the firmware update tool >


To download the Firmware Suite, you must agree to the following "Software License Agreement". Be sure to read before downloading.

Read the Software License Agreement >

Specifications

File name OKI_C843_A07.09_0_4_299848.bin
Version A07.09_0_4
File size 37,981,173 Byte
MD5 hash value 0901e9aa0161e8243c3e0639c8a620d9

Update history

(note1)
If you are updating the firmware on a unit that currently has a firmware version older than A03.02,
your setting time of Power Save and Sleep will be reset to the default one. Then please set them again.
(for C823/C813)

(note2)
If "Toner Not Installed" error happen when consumable BLACK toner cartrige (Capacity 7,000 pages) inserted to model "C823", please update the firmware after turn off and on the printer unit.

(note3)
If you are updating the firmware on a unit that currently has a firmware version older than A06.51,
the device is added a menu of [Save Job Log]-[Enable/Disable] to [Admin Setup]-[Others Setup]-[Job Log Setup] of the panel menu of the printer.
The initial setting of the [Job Log Setting] is [Disable]. When uses the following utilities and menu setting, please switch to [Enable].
- smart PrintSuperVision
- Alert Information function of Configuration Tool
- [Print Information]-[Job Log]
- [Admin]-[Other Setup]-[Security Setup]-[User Counter Report]
- Export of UsageCounter (Web page only)

For current user using above function, the JobLog function will be turned off automatically without any alert after updating the firmware. This means the log acquisition is not performed.
Please understand that the data which is not collected during this period is not recovered.


Firmware Ver. A07.09_0_4
CU:B7.09
PU:00.00.08
Network/WebRemote:00.12/00.47
IM:01.01
Language:1.21

1. Fixed security vulnerabilities.

----------------------------------------
Firmware Ver. A07.08_0_4
CU:B7.08
PU:00.00.08
Network/WebRemote:00.12/00.47
IM:01.01
Language:1.21

1. Fixed Finnish overlap word in Menu Map.
2. Fixed magenta notation in Polish menu map.
3. Fixing security vulnerabilities.

----------------------------------------
Firmware Ver. A07.07_0_4
CU:B7.07
PU:00.00.08
Network/WebRemote:00.12/00.47
IM:01.01
Language:1.20

1. Fixed some help messages in several languages.

----------------------------------------
Firmware Ver. A07.06_0_4
CU:B7.06
PU:00.00.08
Network/WebRemote:00.12/00.47
IM:01.01
Language:1.19

1. Measures were taken for network vulnerabilities.
2. Disable "NetBIOS over TCP" Setup and Report function.
3. Fixed a problem that printing Data in USB Memory may be printed with different font.
4. Fixed a problem that a PS error is occurred by illegal font names.
5. Correction and improvement of notation in each language.

----------------------------------------
Firmware Ver. A07.04_0_4
CU:B7.03
PU:00.00.08
Network/WebRemote:00.11/00.47
IM:01.01
Language:1.18

Fixed a problem misdescription of toner empty message in Polish error log.

----------------------------------------
Firmware Ver. A07.03_0_4
CU:B7.03
PU:00.00.08
Network/WebRemote:00.11/00.47
IM:01.01

Treatment of the WPA2 protocol vulnerabilities.


----------------------------------------
Firmware Ver. A07.02_0_4
CU:B7.02
PU:00.00.08
Network/WebRemote:00.11/00.47
IM:01.00

1. Fixed a problem that print adjusting for tray3 and tray4 does not work.
2. Fixed a problem that a letter cannot be entered in SNTP server setting.
3. Fixed a problem that Function #1 Shared Print and Function #2 Private Print is mixed-up.
4. Fixed a wording problem that Quiet Mode and Silent Mode becomes the same word in some languages.
5. Updated regarding the smart Extendable Platform2.
6. Upgrade Google Cloud Print security.


----------------------------------------
Firmware Ver. A06.52_0_4
CU:B6.52
PU:00.00.08
Network/WebRemote:00.10/00.47
IM:01.00

Fixed a problem that printer may not return from Sleep state.

----------------------------------------
Firmware Ver. A06.51_0_4
CU:B6.51
PU:00.00.08
Network/WebRemote:00.10/00.47
IM:01.00

1. Measures to intermittent print by the consecutive injection of one page per job.
2. Add a menu of [Save Job Log]-[Enable/Disable] to [Admin Setup]-[Others Setup]-[Job Log Setup] of the panel menu of the printer.
The initial setting of the [Job Log Setting] is [Disable]. When uses the following utilities and menu setting, please switch to [Enable].
- smart PrintSuperVision
- Alert Information function of Configuration Tool
- [Print Information]-[Job Log]
- [Admin]-[Other Setup]-[Security Setup]-[User Counter Report]
- Export of UsageCounter (Web page only)
(NOTE)
For current user using above function, the JobLog function will be turned off automatically without any alert after updating the firmware. This means the log acquisition is not performed.
Please understand that the data which is not collected during this period is not recovered.
3. After Color Density menu modification, be improved to automatically reflect a density revision level.
4. The authentication function by the IC card is supported. User authentication and LDAP authentication are included.
5. Fixed a problem that when the automatic acquisition method of an IP address was established and the IP address couldn't be acquired, status of 'acquisition failure' isn't indicated.
6. Fixed a problem that when the setting is Duplex=ON and excuting simplex print using PS driver, 'Simplex printing was performed as the paper setting did not allow duplex printing.' or 'Duplex Print Failed' may occur.
7. Fixed a problem that even if the menu of "setting of an attention LED of the near life position" is invalidated, it isn't reflected.
8. Indication change of the condition of wireless LAN (the AP mode) information.
9. Fixed a problem that printing via wired LAN may be slow.

----------------------------------------
Firmware Ver. A03.02_0_4
CU:B3.02
PU:00.00.08
Network/WebRemote:00.08/00.39
IM:01.00

Modified the setting time of Power Save and Sleep. (for C823/C813)
After updating the firmware, your setting time will be reset to the default one. Then please set them again.

----------------------------------------
Firmware Ver. A03.01_0_4
CU:B3.00
PU:00.00.08
Network/WebRemote:00.08/00.39
IM:01.00

Fix the problem that "Toner Not Installed" error happen when BLACK toner cartridge (Capacity 7,000 pages) is inserted to model "C823".

When this error happens, please turn off and on the printer.
After this, please execute updating firmware.

----------------------------------------
Firmware Ver. A03.00_0_4
CU:B3.00
PU:00.00.07
Network/WebRemote:00.08/00.39
IM:01.00

1. Improved to be able to confirm the completion history of the job with a Web and Report print.
2. Measures of the issue of RADIUS server certification by the PEAP certification execution of IEEE802.1X.


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