Datamax O'Neil E4204B Mark III Windows Printer Drivers
Download Loftware’s Free Datamax O'Neil E4204B Mark III Printer Driver to print from any Windows application. Optimize printer performance by using Loftware Cloud to design your barcode and RFID labels and tags and your coding and marking messages easily, ready to print.
Version
September 5, 2025
10.6.24
Supported printers
Datamax O'Neil E4204B Mark III
Installation guides
Tested on
Windows 8.1 | 10 | 11
Windows Server 2012 R2 | 2016 | 2019 | 2022 | 2025
CPU Architecture x86, x64
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Technical specifications
| Feature | Support |
|---|---|
| Technology type | Thermal Transfer Label Printer |
| Color mode | Monochrome |
| Info availability | Status |
| Operating mode | Normal |
| Number of printheads/groups | 1 |
| Print width to | 108 mm |
Release Notes
10.6.24
- Not Accessible status is now returned when querying for status when printer is not connected.
- Prninst will no longer show empty list of ports when user asked for port selection.
- All printers get updated after Windows upgrade and no longer produce errors when opening print preferences dialog.
10.6.21
- When installing fonts on a Windows system with the German language setting, they were not listed in the Driver Settings under Font Download. This is fixed now.
10.6.15
- When user creates port with non-English letters in its name, port was not automatically selected. This is fixed now in the installation utility.
- Added support for Datamax I-4308 printer. Corrected default start adjustment value for RP4f printer.
10.6.14
- Added support for RP2f, RP4f, PC310T printers.
- Added support for truncation mode options.
- Added support for additional image transfer mode.
10.6.12
- Fixed driver installation crash on Windows Server Datacenter environments.
- Printing from Microsoft Universal Print Connector is working now.
- Honeywell PD45S supports also rewinder option.
- Disable cutter functionality after switching from cutter to tear/peel off operation mode on DP models.
- Added back translations for printer status (job status in print spooler, enhanced status checking from application).
- An issue with some of the True Type fonts not being shown in the download dialog has been solved.
10.6.11
- Fixed simultaneous printing and status checking which caused the printer spooler to stop working.
10.6.10
- Fixed the issue of stopping printing due to "No connection" error when printing on multiple printers simultaneously.
10.6.9
- Added support for PC42E-T, PC300T and PM65 models.
- The installation of a network printer has been corrected, ensuring that the network port number is now correctly set.
- Adding an existing printer model to a different port no longer causes the printer installation to fail.
- Minimized usage of memory consumption in the Print Spooler windows service.
10.6.8
- Unidirectional printer drivers are now installed on LAN port without error message.
- Fixed installation issue preventing printers being installed on USB port.
- Printer network discovery now works on servers with multiple network adapters.
- Corrected driver update procedure, no longer removing printers that do not match case sensitive printer name.
10.6.7
- Printer installation wizard now shows correct port choices when installing the driver.
10.6.6
- Added support for Datamax O'Neil DMX A-Class series.
- PC45 printer models are supported.
- Fixed offset value for operation modes on PX45/PX65 models.
- Stabilized driver Port monitor and Language monitor memory consumption.
- Stabilized memory consumption in the windows environment when sending data to printer.
- Redesigned installation process in the installation utility wizard. Added logging functionality to the installation utility.
10.6.0
- Update port monitor functionality to prevent possible memory consumption.
- This is initial release of Loftware printer driver, rebrand from NiceLabel printer driver family.
- Default operation mode offset is set to 0mm for all Honeywell models. PX45 and PX65 printers have corrected start adjustment position.
10.5.2
- Driver core stabilization by improving memory and heap allocations.
- Redesigned the self extracting driver package users download from the internet web page.
- Stabilized driver's communication component.
10.5.0
- Printer options resolution, darkness and speed are now correctly merged when changing printer models.
- Stabilized communication interface between the driver and the Label Design application.
- Removed limitation of loaded driver packages on Server 2008 and Server 2016 system.
- Corrected status response when multiple status queries are requested at the same time.
10.3.2
- Fixed printing internal rectangle when filled as solid type.
- Added PX45 and PX65 printer models.
10.3.1
- Added option for controlling RFID antenna offset setting by the printer.
- Added right anchoring point for text elements.
10.2.4
- Corrected output dimensions on 600dpi printers (changed to 609dpi).
10.2.2
- Fixed crash of driver when document name longer than 260 characters
10.1.2
- Added new printer models PD45, PD45S, PM45, PM45c.
- Added new mobile printer models RP2/RP4.
- Corrected top and operation offsets on PX940 printers. Default top offset for PX940 models is now 0mm.
- For PX940 models the default value has been changed and maximum value has been set to 999 dots.
10.0.0
- Fixed problems in case user set different HDPI and VDPI in landscape orientation.
- Menu for using settings from printer or driver is redesigned and improved.
- Added capability to set all printer supported parameters to be controlled by the printer.
- Added support for web based printer management.
- Change the print preview so when the label is too long the end of the label is visible.
8.7.0
- RFID functionality implemented on DP printers. Label width is not send for A-Class print engines to avoid disabling some part of print head. Fixed an issue with drivers not being signed on some Windows versions.
8.6.3
- Set fixed document length is corrected in case of continuous media type and cutter is used on DPL printers. I2of5 is supported as internal printer element on DP printers. Driver is signed with updated certificate. Changed timestamp server to avoid "unknown certificate" issue on some OS systems.
8.6.0
- Cancel before print is working now in all scenarios on DPL printers. When this option is enabled all elements in DRAM are deleted first. This action prevents the memory from getting full of temporary graphics.
8.5.2
- GS1 Datamatrix is supported as internal printer element on DP printes.
8.5.0
- Communication with the printer is working now also when port monitor logging is enabled on non English Windows OS. PX940 series support also Darkness and Print quality options. Fixed issue with printer sending incorrect setup commands for media type on PX940 series. PX4ie printers are supported. Fixed print unlimited quantity from NiceLabel. Fixed issue with confusing/incorrect usage of start stop offsets on DP printers. WYSIWYG is correct for all text elements also in case the label has been created with V5 driver.
8.3.3
- Cancel before print command is updated.
8.3.2
- Fixed slow UI operation when using VPN connected printer. Fixed driver crash when using LPR port and export driver settings.
8.3.1
- Improved performance Driver initialisation time was decreased for up to 30%.Smaller file footprint Driver file size was reduced for up to 60%.Improved installation utility PrnInst better supports multi user environments. Driver upgrade procedure was improved for installations with large number of printers.
8.2.3
- Added pack module command (on DPL printers) in case label is stored to the printer. This command release memory marked as deleted.Label created with Datamax V5 driver is printing the same also with V8 driver version.Honeywell Easycoder PX4i and PX6i printer series uses correct setup commands.
8.2.2
- Internal counter is working also with concatenate function on DP printers.
8.2.00
- Rewinder option is supported for PX series printers. GUI for driver settings with print preview is improved.
- Driver stability was improved and memory usage was optimized.
- Minimum label width and height have been corrected for PX940 printer models.
8.0.50
- User can now use Reload to upload entire list of virtual fonts to printer again, instead uploading each virtual font individually.
- Procedure for updating printers is improved in Prninst application that all settings for all users are correctly preserved.
- Prninst application automatically detects printer(s) connected to local network.
- Fixed issues with unlimited print selection in NiceLabel.
8.0.23
- Added option to let the printer control label width/height during printing (Added Printer default options). If none of the setup commands are to be sent the setup command is removed entirely. Added commands to prevent label skipping if printed label exceeds defined dimensions and to ensure internal barcodes are printed over the defined label edge.
8.0.22
- Fixed print spooler crash using latest driver's language monitor.
- Added support for Honeywell PX940 printer series.
8.0.21
- Driver Maintenance, Settings and Support actions are working also with printer name longer than 32 characters.
8.0.20
- Initial Version 8 release: Redesigned and updated User Interface. Added and improved Print Preview to be shown on more panels. Added new Tool options for easier Maintenance, Setup and Support. Added options for sending files or commands to the printer. Added possibility to toggle Status Checking during printing. Fixed in-corrections when displaying driver on High-DPI monitors.
- During printer driver installation and uninstallation the Unicode printer names are fully supported.
- Improved displaying of Network discovered printers while sorting and graying already installed printers during printer driver installation.
- Minimized the frequency of displaying the splwow64 thunking spooler (SplWow64) message during printer installation.
- Upgraded uninstall of Ports and Port Monitors when printer removing the printer driver.
- During printer driver installation additional fields Location and Comment can be set.
7.8.40
- Fixed issue where printing variable graphics on Datamax printers caused drivers to have excessively large memory consumption.
- Generation of unique job and graphic names is corrected.
- Element positioning on GUI has been improved.
- Honeywell PC42t plus (203dpi) - DP printer model added.
7.8.30
- Automatic offset adjustment does not overwrite printer settings anymore.
- Solved issue with driver crash or settings not saved after updating more than one printer using the same driver model.
- Added Datamax Compact4 Mobile Mark II and Datamax Compact4 Mobile Mark III models.
- Improved status checking from NiceLabel to show the latest possible value.
- Improved Advanced TCP/IP port stability and information when logging is enabled.
- Button "Open printing preferences" is added to the last installation page. By clicking on this button installer opens printing preferences of recently installed printer.
7.8.23
- Honeywell DP printers can print also small labels with height of minimum 6.4mm.
7.8.22
- Added support for Honeywell PD43 and PD43c printer models.
- Media type change on stock dialog did not change corresponding picture immediately.
- Added support for Custom commands for Intermec models.
7.8.21
- Added support for Custom commands for Datamax models.
7.8.20
- Updated driver distribution with Datamax printers, based on new driver platform.
7.8.10
- This is completely new driver release, based on new driver platform. The driver was extensively tested with different NiceLabel software versions. We suggest that you verify existing labels and solutions before you start using this printer driver in production.