A-POS printer drivers

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Date: October 16, 2019

Driver INFO

Drivers package details
Latest version:
Release date:
October 16, 2019
Installation guides
Installation Guides:
Drivers tested on
Tested on:
Windows: 10, 8.1
Windows Server: 2019, 2016, 2012 R2, 2012

Supported printers

Rfid This printer supports RFID. You can program the RFID tags embedded into the smart label.
  • A-POS Mercury 230 I
  • A-POS Mercury 230 III
  • A-POS Mercury 230 WL
  • A-POS Mercury 430 I
  • A-POS Mercury 430 II
  • Rfid A-POS Mercury 430 III
  • A-POS Mercury 430 WL
  • A-POS Mercury 440 I
  • A-POS Mercury 440 III
  • A-POS Mercury 440 WL
  • A-POS Mercury 530 I
  • A-POS Mercury 530 III
  • A-POS Mercury 530 WL
  • A-POS Venus 208
  • A-POS Venus 208 400dpi
  • A-POS Venus 208 5inch
  • A-POS Venus 211
  • A-POS Venus 211 400dpi
  • A-POS Venus 211 HS
  • A-POS Venus 217 600dpi
  • Rfid A-POS Venus 217RFID

Release notes

Software latest release notes
Release versionRelease description
Ver.: Added support for printer A-POS Mercury 440 III.
Mercury 430 III supports also RFID encoding.
Ver.: A-POS Mercury 440WL and Venus217 600dpi printer models are added.
Ver.: A-POS Venus 217 RFID can print 100mm wide and 180mm high labels.
Ver.: Fixed issue with labels sometimes not being transferred to printer correctly or causing errors on printer if Control Center was running.
Ver.: Default darkness setting was changed to 60.
Ver.: Added option Improve element positioning that is supported in latest firmware.
Ver.: Fixed issue with missing graphics when printing from NiceLabel 2017(or later) while using database and header/tail labels.
Ver.: Reduced stream size when printing a combination of variable and fixed objects on label.
Add Venus 217 RFID printer model with RFID tags:
- EPC Gen2 RFID tag (96bit)
- EPC Gen2 RFID tag (128bit)
- EPC Gen2 RFID tag (512bit)
Ver.: New A-POS Venus 211 HS printer is supported.
Ver.: Add graphic cutting to skip empty spaces in graphics.
Ver.: Added also smaller print speed options (40mm/s - 70mm/s) for Mercury and Venus printers.
Ver.: Fixed spooler crash when printing from NiceLabel 2017 to a printer using Advanced TCP/IP port.
Ver.: Port monitor crashed print spooler on the second print when using Advanced TCP/IP. This is fixed now.
Ver.: Fixed issue with stream causing printer error when disabling optimization on large labels
Ver.: Fixed issue with DNS IP resolution not working when printer network name is longer then 25 characters.
Ver.: Fixed issue with printer error when large variable graphics are printed.

Fixed About dialog issue with garbage after name for printers with name >= 32 chars.

Ver.: Fixed NiceLabel crash when changing the printer on Label Setup>Printer dialog and then disabling "Use advanced printer driver interface".
Ver.: When updating drivers which have already defined their own stocks, barcode fonts or command fonts, PrnInst application failed with message box "List index out of bounds". This is fixed now.
Ver.: Installer ends if user choose "don't install..." option in Windows warning dialog.
Ver.: Maximum page length for A-POS Mercury printer was increased to 400mm.
Ver.: Fixed issue where editing a stock causes an error message.
Ver.: Printer Install Wizard supports silent installation of Port Monitor modules.
Ver.: New languages supported are: Danish, Hebrew, Slovak and Portuguese (Brazil). Portuguese language is removed.
Ver.: Language monitor will now retry sending data to printer 3 times before reporting an error to spooler.
Ver.: Added support for inverse element.

PrnInst utility quits driver installation if user doesn't trust the publisher.

Ver.: Driver settings are now correctly updated after being imported.
Ver.: PrnInst didn't not work on folders with long path name. Current version support paths up to 260 (MAX_PATH) characters.
Ver.: Help file was updated with a note that some applications can lock the driver and prevent it from being updated by a new version.
Ver.: Added support for Mercury 530 III

On Windows 8 and Windows Server 2012 users were not able to change language settings. Now they can change language settings if they have administrative rights.

Ver.: Microsoft Access was reporting wrong paper names when custom stocks are defined in driver. Now it works OK.

After leaving an edit field the values in it are now correctly checked according to their specified minimum/maximum values and displayed in correct format for the selected measurement unit.

Ver.: 5.1.01 4402 Add a line stating the requirements needed for asian fonts to be printed correctly by the driver.

Prevent occasional labeling software crash when loading labels created with NiceLabel drivers older than version 4.6.16.

Ver.: Cutter functionality corrected for printing from Windows applications and cutter set to cut every n labels.
Graphics larger then 999 dots are now printed correctly.
Ver.: Solved problem with multi-thread printing (sometimes the stream is not correct).
Ver.: Driver help for barcode font "y dimension" updated.

All the drivers are now digitaly signed to allow installation on Windows 8.

Ver.: In some rare cases driver crashed when printing a Code128 barcode. This is corrected now.
Ver.: Changed graphic optimization to avoid white line in printouts
Ver.: Fixed positioning calculation on 300 dpi printers
Ver.: Fixed occasional Spooler crash when printing Word document with very long filename.

Advanced Port monitor can now be added by using Windows Add New Port Type option.


Port monitor now reconnectes to printer after lost connection


Numeric GS1Databar barcode types no longer have data size requirements

Ver.: Reduced print width for Mercury 530 I, Mercury 530 WL and Venus 208 5inch from 127mm to 125mm

Driver update didn't preserve settings for all installed printers. This is fixed now.


A-POS Venus208 5inch printer was added.

Ver.: In some case of printing big graphics (color on 64-bit OS for example) the graphic elements could be missing. This is corrected now.
Ver.: Obsolete monitor.inf files were removed from drivers that still had them
Ver.: Removed warning message for special ports, when installing printer driver with Printer Installation Wizard.

If connected to standard Windows TCP/IP port then show warning message.

Printer error detailes were missing while printing. The status reporting issue was limited to NicePrintQueue, Enterprise Print Manager(EPM) and NiceLabel.


Added Venus 211 and Venus 211 400dpi printers.

Ver.: Advanced TCP/IP port monitor now supports connections to names as well as IP addresses.
Ver.: Darkness for each print head can now be entered exactly as desired between minimum and maximum without predesigned "steps".

Rotation option on userinterface and QR and MicroQR barcode font rotation now work correctly


Supported print height was extended from 300mm to 400mm.

Ver.: Spooler crash when changing printer port while printing was fixed.
Ver.: Custom settings for unprintable now work correctly

Changed graphic optimization algorithm to reduce occurrence of graphical misalignment

Ver.: Added Mercury 530WL printer model
Ver.: Printer ports are now properly shown in Options dialog.
Ver.: Changed font for Chinese Windows to SimHei.

Added Venus 208 and Venus 208 400dpi printer.

Ver.: Czech, Lithuanian and Ukrainian languages are now supported also in all NiceDrivers.

Ver.: When printing from standard Windows application (like Microsoft Word) and using page rotation (Landscape and/or rotate 180), positions of graphic were shifted relative to internal elements.
Shift size depends on page dimensions, shift direction depends on rotation.

PrnInst utility was updated so that long INF file structure is supported.

Ver.: When trying to preinstall drivers on Windows 7, user got an "Environment incorrect" error message. This is corrected now.

Label size is now correctly sent to printer


Previous graphic deletion didn't work correctly

Ver.: Changed Dithering default to None.

User is now able to change administrator settings without reopening driver properties dialog as an elevated user. A click on the shielded button and entering the credentials is all that is needed.

Ver.: Fixed occasional driver crash when printing extremely large graphics
Ver.: Page preview icons in "Advanced Dialog" corrected.
Ver.: Uninstall of printer with Printer Install Wizard did not work on Windows 2003 (x64) system
Ver.: 4.6.22

Build number is now part of version information in About dialog

Ver.: 4.6.15

APOS is new member of NiceDriver family.

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