O&K Print Watch Linux – Version History

January 21, 2026 O&K Print Watch Linux 1.0.0.164

New email reporting module:

  • Notifications for every printed document.
  • Periodic reports on all printed documents for a specified time interval.
  • Summary and detailed print history reports (by printers, users, and groups).
  • Reports on current device counter readings.
  • Automatic alerts when consumable levels drop to 50%, 20%, 10%, and 1%.
  • Support for flexible report scheduling.

Additional improvements:

  • Added SMTP timeout setting for reliable integration with any mail server.
  • Report templates and localization files are now stored in: /opt/printwatch/templates and /opt/printwatch/locales
  • Summary and detailed print history reports (by printers, users, and groups).
  • Reports on current device counter readings.
  • Automatic alerts when consumable levels drop to 50%, 20%, 10%, and 1%.
  • Overall system stability improved; various bugs fixed.
July 18, 2025 O&K Print Watch Linux 1.0.0.147
  • SNMP Pantum: detection of consumable levels and internal counters for Pantum devices.
  • SNMP Canon & HP: added retrieval of SerialNumber from private MIBs for Canon MF4800 Series, Canon iR2520, and HP LaserJet Professional M1212nf MFP.
  • PostgreSQL: automatic reconnection to the database server on service startup.
  • Configuration security: encryption of sensitive data in settings.
  • Licensing: fixed an issue with entering the license key.
  • General improvements: multiple bugs fixed; stability and performance enhanced.
13 May 2025 O&K Print Watch Linux 1.0.0.134.
  • Added support for systems with glibc 2.16.
  • Fixed an issue with automatic addition of all printers during the first installation on Linux systems using RPM packages.
  • Implemented automatic database cleanup based on specified parameters.
  • Optimized reading of settings from the database.
  • Fixed date range selection issue in the web interface.
  • Added a database information panel to the web interface.
  • Enabled deletion of document records and their contents from the database via the web interface.
  • General bug fixes and stability improvements.
16 Feb 2025 O&K Print Watch Linux 1.0.0.124.
  • Added the ability to group computers for management and reporting.
  • Fixed the error of launching the print monitor in some Linux versions
  • Fixed an error with initialization of the license by the number of PCs.
  • Fixed some errors.
20 May 2024 O&K Print Watch Linux 1.0.0.115.
  • Added authorization when accessing the O&K Print Watch web interface.
  • Synchronization with remote O&K Print Watch databases is possible only when using an authorization token.
  • Fixed bug with saving documents containing quotes in the name in PostgreSQL.
  • Fixed error with displaying the status and level of consumables.
  • Fixed some errors.
5 March 2024 O&K Print Watch Linux 1.0.0.102.
  • Added synchronization with remote O&K Print Watch databases.
  • Fixed some errors.
21 December 2023 O&K Print Watch Linux 1.0.0.98.
  • Added mechanism for obtaining consumables data for SNMP-enabled printers.
  • Added a report on the current levels of printer consumables.
  • Added report on printer consumables replacement history.
  • Added Atlant OS support.
  • Optimized work with PostgreSQL database with more clients.
  • Fixed some errors.