Firmware

Firmware Suite


The Firmware Suite is available for download.

Applicable models

C824; C834; C835; C844; ES8434

* 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_C844_A01.22_0_4_270884.bin
Version A01.22_0_4
File size 38,784,261 Byte
MD5 hash value 01d5937ffb164fc946eca0c7428c72ee

Update history

Firmware Ver. A01.22
CU F/W     01.17
PU F/W        00.00.33
NIC / Web F/W    00.10/00.54
IM F/W        01.00
CU Loader    01.02
FU F/W        00.05.09
CMF        01.02.05

1. Fixed a problem that the second printing is slow when the specific Excelt is printed continuously.
2. Fixed a problem that the extra printing on the right side of the paper is occurred at the time of printing a PDF file with multiple pages.
3. Fixed a problem that Direct PDF cannot print correctly.
4. Fixed a problem that a fuser failure(Hot offset) may occur on narrow paper such as A5 size.
5. Fixed a paper jam problem that occurs with the third sheet of double-sided printing from tray 5. (High temperature and high humidity environment)
6. Removed unnecessary item (VL Cleaning) from the menu.

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Firmware Ver. A01.19
CU F/W     01.14
PU F/W        00.00.32
NIC / Web F/W    00.10/00.54
IM F/W        01.00
CU Loader    01.02
FU F/W        00.05.09
CMF        01.02.05

1. Fixed a problem that garbled characters is displayed on "401 Unautorized error" page,when using the Web Page displayed in Japanese.
2. Fixed a problem that uneven color density occurs periodically, when printing at low speed.
3. Improved the level of curl on thin paper.
4. Improved print speed for postcards.
5. Fixed some help messages in several languages.

----------------------------------------
Firmware Ver. A01.18
CU F/W     01.13
PU F/W        00.00.31
NIC / Web F/W    00.09/00.54
IM F/W        01.00
CU Loader    01.02
FU F/W        00.05.09
CMF        01.02.05

1. Measures were taken for network vulnerabilities.
2. Disable "NetBIOS over TCP" Setup and Report function.
3. Correction and improvement of notation in each language.

----------------------------------------
Firmware Ver. A01.17
CU F/W     01.12
PU F/W        00.00.31
NIC / Web F/W    00.08/00.54
IM F/W        01.00
CU Loader    01.02
FU F/W        00.05.09
CMF        01.02.05

1. Fixed a problem that a PS error is occurred by illegal font names.

----------------------------------------
Firmware Ver. A01.13
CU F/W     01.08
PU F/W        00.00.31
NIC / Web F/W    00.08/00.52
IM F/W        01.00
CU Loader    01.02
FU F/W        00.05.09
CMF        01.02.05

1. Reduced the time from sleep mode to start to print.
2. Fixed a problem that unable to clear the error after removing the paper when the cover was opened and closed while the paper output tray full of paper error occurs.
3. Fixed a problem that an error may occur when the PC is turned off/on after printing with USB connection.
4. Fix a problem that printing Data in USB Memory may be printed with different font.

----------------------------------------
Firmware Ver. A01.11
CU F/W     01.06
PU F/W        00.00.30
NIC / Web F/W    00.08/00.52
IM F/W        01.00
CU Loader    01.02
FU F/W        00.05.09

Improved the behavior in low temperature environment.

----------------------------------------
Firmware Ver. A01.09
CU F/W     01.05
PU F/W        00.00.29
NIC / Web F/W    00.08/00.52
IM F/W        01.00
CU Loader    01.00
FU F/W        00.05.09

Improved the behavior on printing at low speed.

----------------------------------------
Firmware Ver. A01.08
CU F/W     01.05
PU F/W        00.00.28
NIC / Web F/W    00.08/00.52
IM F/W        01.00
CU Loader    01.00
FU F/W        00.05.09

Improved the behavior of media weight (UltraLight and Light).

----------------------------------------
Firmware Ver. A01.07
CU F/W     01.05
PU F/W        00.00.27
NIC / Web F/W    00.08/00.52
IM F/W        01.00
CU Loader    01.00
FU F/W        00.05.09

First version.


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