HP LaserJet MFP M139-M142 User Guide - Page 111
Dynamic Security Enabled Printers, Vietnam Telecom wireless marking for ICTQC Type approved products
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This radio communication equipment has the electromagnetic field strength in compliance with the Safety Standard for the Use of Radio Communication Equipment on Human Health announced by the National Telecommunications Commission. Vietnam Telecom wireless marking for ICTQC Type approved products Dynamic Security Enabled Printers This printer is intended to work only with cartridges that have a new or reused HP chip. A reused HP chip enables the use of reused, remanufactured, and refilled cartridges. The printer uses dynamic security measures to block cartridges using a non-HP chip. Periodic firmware updates delivered over the internet will maintain the effectiveness of the dynamic security measures and block cartridges that previously worked. Updates can improve, enhance, or extend the printer's functionality and features, protect against security threats, and serve other purposes, but these updates can also block cartridges using a non-HP chip from working in the printer, including cartridges that work today. Unless you are enrolled in certain HP programs such as Instant Ink or use other services that require automatic online firmware updates, most HP printers can be configured to receive updates either automatically or with a notification that allows you to choose whether to update or not. For more information on dynamic security and how to configure online firmware updates, please go to www.hp.com/learn/ds. 102 Appendix D Regulatory information