Print Monitoring Solutions News.
August 5, 2026 — O&K Print Watch 4.19.0.5309
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Expanded TSPL2 support for barcode and label printers
- Added support for the BLOCK command.
- Added support for Data Matrix 2D barcodes using the DMATRIX command.
- Improved print size detection when converting TSPL2 documents.
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Print server improvements and fixes
- Improved stability when processing large registry values.
- Added an option to disable telemetry.
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Web interface fixes
- Fixed issues with adding and deleting paper groups.
June 23, 2026
O&K Print Watch Linux 1.0.0.169
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New print cost configuration features have been added:
- Added bulk editing of print costs.
- Added the ability to copy and paste print costs in the web interface for multiple printers.
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Consumables monitoring has been extended for IPP printers:
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O&K Print Watch now monitors consumables status for a wider range of devices.
Consumables monitoring is available not only for printers connected via
socket://, lpr:// and dnssd://,
but also for devices using the ipp:// and ipps:// protocols.
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General improvements:
- Fixed a number of issues and improved stability and performance.
May 25, 2026
O&K Print Watch 4.19.0.5296.
- New print cost configuration features have been added:
- Added bulk editing of print costs.
- Added the ability to copy and paste print costs in the web interface for multiple printers.
- Paper size editing support has been added:
- Added paper size editing in the web interface.
- Fixed an issue with setting the base page cost for paper when editing paper sizes in the Control Program.
- The web interface has been improved:
- Report settings are now saved in cookies.
- Fixed error display when adding printers.
- Fixed currency symbol display.
- Print server improvements and fixes:
- Improved saving XPS documents to PDF.
- Fixed an issue with enabling a printer in the database.
- Added the ability to enable a printer on another print server through the database.
- Fixed an issue during remote synchronization where records could be skipped for print servers in different time zones.
- License handling has been improved:
- License information is now displayed in the main window title.
- Fixed site license validation on Windows Server.
After a long break, we have released a new version of O&K Print Watch Free.
The free edition is now based on the current O&K Print Watch product line and includes many improvements added over the years.
The updated free version brings a more modern web interface, performance improvements,
better stability, improved PDF handling, and support for newer monitoring features.
- updated web interface
- improved PDF generation and document handling
- bug fixes and stability improvements
- better performance
- improved printer and consumables monitoring
- document content viewing capabilities
- support for modern O&K Print Watch functionality
Recent versions of O&K Print Watch also introduced full support for
TSPL (TSC Printer Language), including monitoring of TSC barcode and label printers,
page counting for TSPL documents, print job content viewing, and integration with the reporting system.
Download O&K Print Watch Free →
Learn how to track barcode and label printing, investigate incorrect labels, and keep printable TSPL jobs as PDF for later analysis.
Read more
We have published a new article explaining how to open and analyze
SPL printer spool files created by the Windows print spooler.
The guide explains what SPL files are, where they are stored in Windows
and how to view their contents using a dedicated printer spool file viewer.
Read the article: How to Open SPL Files