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Welcome to HP Customer Support

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  • Information
    Information regarding recent vulnerabilities

    HP is aware of the recent vulnerabilities commonly referred to as "Spectre" and "Meltdown". HP has published a security bulletin with patches for these issues and a list of impacted systems. We will continue to update the bulletin as more information becomes available and encourage customers to check the bulletin frequently.

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HP LaserJet AiO Products - AiO Fax Security

HP LaserJet AIO products have the ability to send and receive fax data via phone lines that conform to public switch telephone network (PSTN) standards. The device is ITU Group 3 and error correction mode (ECM), fax compatible. Fax pages are transmitted and received according to a number of international fax standards, including handshaking protocols, data compression, and encoding methods.
HP LaserJet AIO products can only be used for exchange of data using fax protocols. The modem in the device is connected to the internal fax subsystem. All communication through the modem must go through the fax subsystem firmware, which does not implement data exchange protocols. Therefore, HP LaserJet AIO products cannot be used for exchanging non-fax data.
When a file is received via the modem into the HP LaserJet AIO product, it is stored in an internal file system. At some point, that file may be uploaded to a connected host. There is no direct connection between the modem and any device(s) connected to the parallel or USB ports of the HP LaserJet AIO product.
Similarly, the interface between a PC and the HP LaserJet AIO products is for downloading files to be faxed or uploading files that have been received. Once a file has been downloaded to the HP LaserJet AIO product, the file is sent out the modem under the control of the fax subsystem firmware. Again, there is no direct communication path between the host and the modem.
It should also be noted that it is not possible to modify the HP LaserJet AIO products internal firmware through the modem (i.e. over the phone).

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Country/Region: Flag Croatia

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