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BackLexmark Firmware Update (March '13)
Important! The following steps require you to download a file to your computer and/or upload firmware to your printer. The time required to complete this procedure depends on the quality of your network connection and the size of the file involved.
- Identify your printer model below.
- Download the correct firmware download package.
- Extract the firmware package (.zip) and double-click the .exe file to begin the firmware update process.
- If you need assistance with alternative flash methods, see .FLS Firmware Flash Methods below.
| Lexmark Printer Model | Download Firmware | New Code Level |
| X548 | Click here | LHS23.VK.P278 |
| C746 | Click here | LHSC.CM2.P278 |
| C748 | Click here | LHSC.CM4.P278 |
| X74x | Click here | LHSC.NY.P278 |
| C792 | Click here | LHS23.HC.P278 |
| X792 | Click here | LHS23.MR.P278 |
| C925 |
Click here | LHS23.HV.P278 |
| X925 |
Click here | LHS23.HK.P278 |
| C950 |
Click here | LHS23.TP.P278 |
| X950, X952, X954 |
Click here | LHS23.TQ.P278 |
| 6500e- equipped printers |
Click here | LHS23.JR.P278 |
How to determine your current printer code levels?
EC 2.3 Release Notes (March '13)
| Enhancement | C746/C748 | C792 | C925 | C950 | X548 | X746/X748 | X792 | X925 | X95x* |
6500e** |
| AirPrint performance improvements |  |
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Added Object based toner density setting
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Added RGB Replacement
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Auto mono scan detect
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Multifunction models only. |
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| Fax over IP is now supported when the App license is downloaded | ||||||||||
| Include the default Custom Message in supply email alerts | ||||||||||
| Added address support for Internal Accounts | ||||||||||
* An x denotes any number within a printer model series.
** Printers equipped with the 6500e scanner option
| Fix or Field Issue | C746/C748 | C792 | C925 | C95x | X548 | X746/X748 | X792 | X925 | X95x* | 6500e** |
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All Models |
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| Multifunction | C746/C748 | C792 | C925 | C95x | X548 | X746/X748 | X792 | X925 | X95x | 6500e* |
| Fixed 900.10 error when mismatched size when copying from ADF-A4-Long Edge | |
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| Fixed various 900.80 errors | |
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| Fixed a cause of 902 errors | |
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| Fixed fax issue with blue screens when it is time to send a delayed fax | |
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| Fixed fax hang during a power cycle sequence by resetting the modem | |
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| Fixed black copies issue with originals placed on flatbed | |
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| Fixed User Interface with Finnish language | |
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| Scan to Network v3.2.21 improvements | |
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| Fixed issue in Scan to email - recipient list not clearing after email is sent | |
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| Improved messaging for Toner Low conditions and fixed toner yield meter/yield issue | |
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| Fixed scanner jam issue that messes up job queue | |
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| Fixed Rewards Program issue | |
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| Fixed black line observed on Mono copy from Letter to copy to 12 x18 and SRA3 paper sizes | |
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| Fixed 5 second pause during mono COPY between page 1 and 2 | |
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| Fixed issue leading to 'waste toner box full' message after the near full state is reached | |
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| Singlefunction | C746/C748 | C792 | C925 | C95x | X548 | X746/X748 | X792 | X925 | X95x | 6500e* |
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Fixed LED issues |
(C746) |
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| Fixed 'Busy' hang during a situation where 'Remove Packaging' is displayed | (C746) |
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| Delayed waste toner box full message after the near full state is reached |
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| Windows 8 issue addressed | |
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* An x denotes any number within a printer model series.
** Printers equipped with the 6500e scanner option
| Firmware Flash Methods (.fls file extensions) |
Information | Recommended Use |
| Embedded Web Server (EWS) | Open your internet browser and enter the IP address of the printer. Select Settings > Update Firmware. | You have network access to the printer's embedded Web server. |
| USB utility | Click here for example. | Seldom used, but a good alternative flash method for USB-attached printers |
| USB thumb drive | Click here for example. | A standalone printer without computer access |
| FTP | Click here for detailed steps. | No HTTP (EWS) access and no access to a Microsoft Windows-based computer |
| MarkVision Professional or the latest MarkVision Enterprise | Visit http://www.markvisionprofessional.com to download the latest User's Guide and perform a search on Print Server updates or Generic File downloads. | Large printer fleets |
| Printer File Loader (USB-Macintosh) |
Click here for detailed steps. | Macintosh users |
How to Check Your Current Printer Firmware Levels
Obtain the Menu Settings page or access the printer's embedded web server (EWS) for this purpose.
To do this from the printer's operator panel:
| 1 | Press the Menu button on the Operator Panel. |
| 2 | Select or touch Reports. |
| 3 | Select or touch Menu Settings Page to start printing. |
| 4 |
Look for the code level under “Device Information” and next to Base and Engine. |
To do this from the printer's embedded web server(EWS):
| 1 | Launch your Internet browser application. |
| 2 | After http://, enter the printer's IP address. |
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Click on Reports. |
| 4 | Click on Device Information and locate the values next to Base and Engine. |
Why Upgrade Firmware?
Upgrading your firmware can have any of these benefits:
- Possible printer speed and efficiency improvements
- Possible enhancements to printer capabilities with feature updates and new features
- Resolve firmware or hardware issues that you may be experiencing
- Enhance device compatibility with newly introduced operating systems or software printing applications
Still Need Help?
If you have updated firmware and your issue still persists, please see Contact information. NOTE: When calling for support, you will need your printer model/machine type and serial number (SN).
Please be near the products described in this article to expedite the support process and reduce call-back situations.